<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2023 Workiva-->
<!--r:ff058ad6-0eab-4309-81b4-dcba193cdd44,g:9f68b6ce-1cae-464f-825b-351f3e91646b-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.conduent.com/role/CondensedConsolidatedStatementsofShareholdersEquity" xlink:type="simple" xlink:href="cndt-20230630.xsd#CondensedConsolidatedStatementsofShareholdersEquity"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/CondensedConsolidatedStatementsofShareholdersEquity" xlink:type="extended" id="ic765f712dbb145a1ad024b1589812949_CondensedConsolidatedStatementsofShareholdersEquity">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_bfdb4d65-a6f8-41cd-905b-6ceebb3a9c0d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d4f12190-59c7-4100-9c13-83838b7d5874" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bfdb4d65-a6f8-41cd-905b-6ceebb3a9c0d" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d4f12190-59c7-4100-9c13-83838b7d5874" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_b15d0b5f-3a30-407c-b044-c1a9bdda16ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d4f12190-59c7-4100-9c13-83838b7d5874" xlink:to="loc_us-gaap_StockholdersEquity_b15d0b5f-3a30-407c-b044-c1a9bdda16ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPreferredStock_8a229e28-c339-48e0-8e93-f309e0f4af66" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DividendsPreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d4f12190-59c7-4100-9c13-83838b7d5874" xlink:to="loc_us-gaap_DividendsPreferredStock_8a229e28-c339-48e0-8e93-f309e0f4af66" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_68b54b96-b630-404a-bce4-56a7d2ab9234" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d4f12190-59c7-4100-9c13-83838b7d5874" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_68b54b96-b630-404a-bce4-56a7d2ab9234" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRedeemedOrCalledDuringPeriodValue_9bb27898-8bde-44fb-995a-d3f99aae852f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d4f12190-59c7-4100-9c13-83838b7d5874" xlink:to="loc_us-gaap_StockRedeemedOrCalledDuringPeriodValue_9bb27898-8bde-44fb-995a-d3f99aae852f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_0cd40c13-b5ee-444c-9d6f-6126bd0f41dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d4f12190-59c7-4100-9c13-83838b7d5874" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_0cd40c13-b5ee-444c-9d6f-6126bd0f41dd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_8aaf64ea-9175-42c3-89c2-b080a6263409" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_0cd40c13-b5ee-444c-9d6f-6126bd0f41dd" xlink:to="loc_us-gaap_NetIncomeLoss_8aaf64ea-9175-42c3-89c2-b080a6263409" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2d5ec708-8202-4c5e-aee9-abdd462427a3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_0cd40c13-b5ee-444c-9d6f-6126bd0f41dd" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2d5ec708-8202-4c5e-aee9-abdd462427a3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_b16a0738-a8fb-40ac-b0c3-238b6289983d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_0cd40c13-b5ee-444c-9d6f-6126bd0f41dd" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_b16a0738-a8fb-40ac-b0c3-238b6289983d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_71caa384-a3a8-4190-ae2c-9ea42151a349" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_7d5a24fb-3e6e-4fb4-9ed5-a66bfa810fbd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_bfdb4d65-a6f8-41cd-905b-6ceebb3a9c0d" xlink:to="loc_us-gaap_StatementTable_7d5a24fb-3e6e-4fb4-9ed5-a66bfa810fbd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_585956ea-ccd0-4346-8c78-b698b25cd6e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_7d5a24fb-3e6e-4fb4-9ed5-a66bfa810fbd" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_585956ea-ccd0-4346-8c78-b698b25cd6e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_585956ea-ccd0-4346-8c78-b698b25cd6e1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_585956ea-ccd0-4346-8c78-b698b25cd6e1" xlink:to="loc_us-gaap_EquityComponentDomain_585956ea-ccd0-4346-8c78-b698b25cd6e1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_e64a0a09-6eac-447c-9ee6-5dc85a0f84a2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_585956ea-ccd0-4346-8c78-b698b25cd6e1" xlink:to="loc_us-gaap_EquityComponentDomain_e64a0a09-6eac-447c-9ee6-5dc85a0f84a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_6c9ef19b-9d31-4f93-a981-49639eba5422" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_e64a0a09-6eac-447c-9ee6-5dc85a0f84a2" xlink:to="loc_us-gaap_CommonStockMember_6c9ef19b-9d31-4f93-a981-49639eba5422" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_30772d4d-cd39-41c2-abde-f6aca630db7c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_e64a0a09-6eac-447c-9ee6-5dc85a0f84a2" xlink:to="loc_us-gaap_TreasuryStockCommonMember_30772d4d-cd39-41c2-abde-f6aca630db7c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_32c9c98d-00a2-458a-89a6-966fbbd9a2a8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_e64a0a09-6eac-447c-9ee6-5dc85a0f84a2" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_32c9c98d-00a2-458a-89a6-966fbbd9a2a8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_560d8673-a23c-486a-872c-2d478ebd1bea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_e64a0a09-6eac-447c-9ee6-5dc85a0f84a2" xlink:to="loc_us-gaap_RetainedEarningsMember_560d8673-a23c-486a-872c-2d478ebd1bea" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_93f24400-ecec-40ca-8e14-2e8245e1c4ca" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_e64a0a09-6eac-447c-9ee6-5dc85a0f84a2" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_93f24400-ecec-40ca-8e14-2e8245e1c4ca" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/BasisofPresentationDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#BasisofPresentationDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/BasisofPresentationDetails" xlink:type="extended" id="i9607ffdf5c644feba4e5ff9b3d93eecd_BasisofPresentationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_ca4b33ff-cb13-4293-bf21-14d59d654188" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_ec02e8a9-3975-47d5-a90e-9f508d162d4f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_ca4b33ff-cb13-4293-bf21-14d59d654188" xlink:to="loc_us-gaap_Revenues_ec02e8a9-3975-47d5-a90e-9f508d162d4f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_67fc346b-352b-4755-b633-9c500593175a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_ca4b33ff-cb13-4293-bf21-14d59d654188" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_67fc346b-352b-4755-b633-9c500593175a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_928f1c12-aee1-47e9-a715-df324c3bc4cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_ca4b33ff-cb13-4293-bf21-14d59d654188" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_928f1c12-aee1-47e9-a715-df324c3bc4cb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_1c128b7e-0906-4ea6-8ce5-76046b01dcd8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_ca4b33ff-cb13-4293-bf21-14d59d654188" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_1c128b7e-0906-4ea6-8ce5-76046b01dcd8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_e423ec3e-d2e2-44f7-b68f-82770457ddd7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_ca4b33ff-cb13-4293-bf21-14d59d654188" xlink:to="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_e423ec3e-d2e2-44f7-b68f-82770457ddd7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramPeriodInForce1_796457df-7997-49ce-af2b-ff4bfedc4da0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockRepurchaseProgramPeriodInForce1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_ca4b33ff-cb13-4293-bf21-14d59d654188" xlink:to="loc_us-gaap_StockRepurchaseProgramPeriodInForce1_796457df-7997-49ce-af2b-ff4bfedc4da0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_48efdd1e-b0f7-4ea1-a53e-5b486f08630c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems_ca4b33ff-cb13-4293-bf21-14d59d654188" xlink:to="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_48efdd1e-b0f7-4ea1-a53e-5b486f08630c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementAxis_b0c867fd-96fa-4eb5-b5d1-fafc8497a63f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RestatementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable_48efdd1e-b0f7-4ea1-a53e-5b486f08630c" xlink:to="loc_srt_RestatementAxis_b0c867fd-96fa-4eb5-b5d1-fafc8497a63f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_b0c867fd-96fa-4eb5-b5d1-fafc8497a63f_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RestatementAxis_b0c867fd-96fa-4eb5-b5d1-fafc8497a63f" xlink:to="loc_srt_RestatementDomain_b0c867fd-96fa-4eb5-b5d1-fafc8497a63f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RestatementDomain_c9cced74-d9f3-4356-876d-60a6fb031386" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RestatementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RestatementAxis_b0c867fd-96fa-4eb5-b5d1-fafc8497a63f" xlink:to="loc_srt_RestatementDomain_c9cced74-d9f3-4356-876d-60a6fb031386" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RevisionOfPriorPeriodErrorCorrectionAdjustmentMember_045460e4-27e2-43c1-96cf-77d0d8cee013" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RevisionOfPriorPeriodErrorCorrectionAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RestatementDomain_c9cced74-d9f3-4356-876d-60a6fb031386" xlink:to="loc_srt_RevisionOfPriorPeriodErrorCorrectionAdjustmentMember_045460e4-27e2-43c1-96cf-77d0d8cee013" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/RevenueDisaggregatedRevenueDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#RevenueDisaggregatedRevenueDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/RevenueDisaggregatedRevenueDetails" xlink:type="extended" id="i65ca731f78cf48a898574c477b55f56d_RevenueDisaggregatedRevenueDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_4ff4ada0-6f47-46f5-9cb3-96eb3e1648fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_a625b190-30c8-432f-a97c-338c614f9a50" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4ff4ada0-6f47-46f5-9cb3-96eb3e1648fc" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_a625b190-30c8-432f-a97c-338c614f9a50" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_336d4558-1bba-48f4-8360-043df568dd49" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_4ff4ada0-6f47-46f5-9cb3-96eb3e1648fc" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_336d4558-1bba-48f4-8360-043df568dd49" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_a492437a-a829-4e23-834b-2ba9411815b1" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_336d4558-1bba-48f4-8360-043df568dd49" xlink:to="loc_srt_ProductOrServiceAxis_a492437a-a829-4e23-834b-2ba9411815b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_a492437a-a829-4e23-834b-2ba9411815b1_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_a492437a-a829-4e23-834b-2ba9411815b1" xlink:to="loc_srt_ProductsAndServicesDomain_a492437a-a829-4e23-834b-2ba9411815b1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_a492437a-a829-4e23-834b-2ba9411815b1" xlink:to="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_CustomerExperienceManagementMember_8b98af3d-3b85-43d3-bfca-72af02037c85" xlink:href="cndt-20230630.xsd#cndt_CustomerExperienceManagementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:to="loc_cndt_CustomerExperienceManagementMember_8b98af3d-3b85-43d3-bfca-72af02037c85" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_BusinessOperationsSolutionsMember_5fa0fd27-df6a-4dd4-bc63-d9d4cf9f4754" xlink:href="cndt-20230630.xsd#cndt_BusinessOperationsSolutionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:to="loc_cndt_BusinessOperationsSolutionsMember_5fa0fd27-df6a-4dd4-bc63-d9d4cf9f4754" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_CommercialHealthcareSolutionsMember_f9c9f5cc-3bd6-4cc9-8d41-4197222b645a" xlink:href="cndt-20230630.xsd#cndt_CommercialHealthcareSolutionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:to="loc_cndt_CommercialHealthcareSolutionsMember_f9c9f5cc-3bd6-4cc9-8d41-4197222b645a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_HumanResourceServicesMember_09f877af-8666-458a-829a-d91340e718ec" xlink:href="cndt-20230630.xsd#cndt_HumanResourceServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:to="loc_cndt_HumanResourceServicesMember_09f877af-8666-458a-829a-d91340e718ec" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_GovernmentServicesandHealthMember_5e854d3e-5570-4a9c-8ebe-07fa1f14905d" xlink:href="cndt-20230630.xsd#cndt_GovernmentServicesandHealthMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:to="loc_cndt_GovernmentServicesandHealthMember_5e854d3e-5570-4a9c-8ebe-07fa1f14905d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_GovernmentServicesSolutionsMember_299d23b0-2454-4f53-8016-7193540739e3" xlink:href="cndt-20230630.xsd#cndt_GovernmentServicesSolutionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:to="loc_cndt_GovernmentServicesSolutionsMember_299d23b0-2454-4f53-8016-7193540739e3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_RoadwayChargingManagementServicesMember_cb439ed1-1f6b-45dd-9720-2714a1c6fe89" xlink:href="cndt-20230630.xsd#cndt_RoadwayChargingManagementServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:to="loc_cndt_RoadwayChargingManagementServicesMember_cb439ed1-1f6b-45dd-9720-2714a1c6fe89" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_TransitMember_6fbc4dfa-c642-45f5-bfef-d6a46afe0fb9" xlink:href="cndt-20230630.xsd#cndt_TransitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:to="loc_cndt_TransitMember_6fbc4dfa-c642-45f5-bfef-d6a46afe0fb9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_CurbsideManagementSolutionsMember_70cc4d54-7d46-471c-8a2d-77c3bea8ca43" xlink:href="cndt-20230630.xsd#cndt_CurbsideManagementSolutionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:to="loc_cndt_CurbsideManagementSolutionsMember_70cc4d54-7d46-471c-8a2d-77c3bea8ca43" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_PublicSafetySolutionsMember_c0adae31-d35d-46fa-8cac-2b1e28ae6034" xlink:href="cndt-20230630.xsd#cndt_PublicSafetySolutionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:to="loc_cndt_PublicSafetySolutionsMember_c0adae31-d35d-46fa-8cac-2b1e28ae6034" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_CommercialVehicleMember_c3fb97f6-cf62-4eca-9143-02f6193559bf" xlink:href="cndt-20230630.xsd#cndt_CommercialVehicleMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4e36e19d-2a60-455f-97a7-6410b495e3a5" xlink:to="loc_cndt_CommercialVehicleMember_c3fb97f6-cf62-4eca-9143-02f6193559bf" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_f07d92b7-4756-4ac2-997f-ca338382923d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_336d4558-1bba-48f4-8360-043df568dd49" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_f07d92b7-4756-4ac2-997f-ca338382923d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_f07d92b7-4756-4ac2-997f-ca338382923d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_f07d92b7-4756-4ac2-997f-ca338382923d" xlink:to="loc_us-gaap_SegmentDomain_f07d92b7-4756-4ac2-997f-ca338382923d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_d50b62fd-a6d5-4a4d-a5ce-a6cfcb8b95de" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_f07d92b7-4756-4ac2-997f-ca338382923d" xlink:to="loc_us-gaap_SegmentDomain_d50b62fd-a6d5-4a4d-a5ce-a6cfcb8b95de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_CommercialIndustriessegmentMember_0f282ab1-b026-4d1a-9fbc-7b0ca0ff7c87" xlink:href="cndt-20230630.xsd#cndt_CommercialIndustriessegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_d50b62fd-a6d5-4a4d-a5ce-a6cfcb8b95de" xlink:to="loc_cndt_CommercialIndustriessegmentMember_0f282ab1-b026-4d1a-9fbc-7b0ca0ff7c87" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_GovernmentServicesMember_5a54ea5f-0bc8-4835-b30f-edbe7cfb6236" xlink:href="cndt-20230630.xsd#cndt_GovernmentServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_d50b62fd-a6d5-4a4d-a5ce-a6cfcb8b95de" xlink:to="loc_cndt_GovernmentServicesMember_5a54ea5f-0bc8-4835-b30f-edbe7cfb6236" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_TransportationServicesMember_ea0a2e92-cc6a-4663-b803-b6e2f14452b0" xlink:href="cndt-20230630.xsd#cndt_TransportationServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_d50b62fd-a6d5-4a4d-a5ce-a6cfcb8b95de" xlink:to="loc_cndt_TransportationServicesMember_ea0a2e92-cc6a-4663-b803-b6e2f14452b0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllOtherSegmentsMember_650b20b5-537d-4e5c-adf8-38790501f02c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllOtherSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_d50b62fd-a6d5-4a4d-a5ce-a6cfcb8b95de" xlink:to="loc_us-gaap_AllOtherSegmentsMember_650b20b5-537d-4e5c-adf8-38790501f02c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_223661c8-5368-4fc1-bb45-02b1eb27ef7b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_336d4558-1bba-48f4-8360-043df568dd49" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_223661c8-5368-4fc1-bb45-02b1eb27ef7b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_223661c8-5368-4fc1-bb45-02b1eb27ef7b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_223661c8-5368-4fc1-bb45-02b1eb27ef7b" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_223661c8-5368-4fc1-bb45-02b1eb27ef7b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_e5c15343-8e82-4189-9d18-2528b981c6df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_223661c8-5368-4fc1-bb45-02b1eb27ef7b" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_e5c15343-8e82-4189-9d18-2528b981c6df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_8c28e3df-9b0b-4d04-bdfb-4b73b7d43d05" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_e5c15343-8e82-4189-9d18-2528b981c6df" xlink:to="loc_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_8c28e3df-9b0b-4d04-bdfb-4b73b7d43d05" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_a86b5ba8-f908-4aed-9bc2-4a924f59a836" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TimingOfTransferOfGoodOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_336d4558-1bba-48f4-8360-043df568dd49" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_a86b5ba8-f908-4aed-9bc2-4a924f59a836" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_a86b5ba8-f908-4aed-9bc2-4a924f59a836_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TimingOfTransferOfGoodOrServiceDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_a86b5ba8-f908-4aed-9bc2-4a924f59a836" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_a86b5ba8-f908-4aed-9bc2-4a924f59a836_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_7acfc2dc-5dd9-4c92-8975-723aff4f9e98" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TimingOfTransferOfGoodOrServiceDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_a86b5ba8-f908-4aed-9bc2-4a924f59a836" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_7acfc2dc-5dd9-4c92-8975-723aff4f9e98" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferredAtPointInTimeMember_39e1309a-bd32-4741-abbe-88a71da08ffe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TransferredAtPointInTimeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_7acfc2dc-5dd9-4c92-8975-723aff4f9e98" xlink:to="loc_us-gaap_TransferredAtPointInTimeMember_39e1309a-bd32-4741-abbe-88a71da08ffe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferredOverTimeMember_3c1aaba3-46d6-4ddf-990e-d80fbaf1d2dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TransferredOverTimeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_7acfc2dc-5dd9-4c92-8975-723aff4f9e98" xlink:to="loc_us-gaap_TransferredOverTimeMember_3c1aaba3-46d6-4ddf-990e-d80fbaf1d2dc" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/RevenueRemainingPerformanceObligationDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#RevenueRemainingPerformanceObligationDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/RevenueRemainingPerformanceObligationDetails" xlink:type="extended" id="ia69d8a0340954912b87a98e3af12fd11_RevenueRemainingPerformanceObligationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_6ba16b0f-1184-46aa-8e9d-b67b8bb1821f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_8afc310f-9b2e-4649-83b7-cc464a2799dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_6ba16b0f-1184-46aa-8e9d-b67b8bb1821f" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_8afc310f-9b2e-4649-83b7-cc464a2799dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_5e2e8f3b-45a3-4734-8dd3-330c3d29c5c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_6ba16b0f-1184-46aa-8e9d-b67b8bb1821f" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_5e2e8f3b-45a3-4734-8dd3-330c3d29c5c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_503d2bbb-5424-4ecf-98bf-6e554fdae66b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_6ba16b0f-1184-46aa-8e9d-b67b8bb1821f" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_503d2bbb-5424-4ecf-98bf-6e554fdae66b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_da452427-c23e-42e0-add8-0fa3d9fe97f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_6ba16b0f-1184-46aa-8e9d-b67b8bb1821f" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_da452427-c23e-42e0-add8-0fa3d9fe97f9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_d6e8d9fd-a498-4665-b310-074ccd49f188" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_da452427-c23e-42e0-add8-0fa3d9fe97f9" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_d6e8d9fd-a498-4665-b310-074ccd49f188" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/RevenueRemainingPerformanceObligationDetails_1" xlink:type="simple" xlink:href="cndt-20230630.xsd#RevenueRemainingPerformanceObligationDetails_1"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/RevenueRemainingPerformanceObligationDetails_1" xlink:type="extended" id="i7a7cec538caa48e3bd565943dc84fd2a_RevenueRemainingPerformanceObligationDetails_1">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_6ba16b0f-1184-46aa-8e9d-b67b8bb1821f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_8afc310f-9b2e-4649-83b7-cc464a2799dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_6ba16b0f-1184-46aa-8e9d-b67b8bb1821f" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_8afc310f-9b2e-4649-83b7-cc464a2799dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_5e2e8f3b-45a3-4734-8dd3-330c3d29c5c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_6ba16b0f-1184-46aa-8e9d-b67b8bb1821f" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationPercentage_5e2e8f3b-45a3-4734-8dd3-330c3d29c5c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_503d2bbb-5424-4ecf-98bf-6e554fdae66b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_6ba16b0f-1184-46aa-8e9d-b67b8bb1821f" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_503d2bbb-5424-4ecf-98bf-6e554fdae66b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_da452427-c23e-42e0-add8-0fa3d9fe97f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_6ba16b0f-1184-46aa-8e9d-b67b8bb1821f" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_da452427-c23e-42e0-add8-0fa3d9fe97f9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/SegmentReportingSegmentRevenueandSegmentProfitLossDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#SegmentReportingSegmentRevenueandSegmentProfitLossDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/SegmentReportingSegmentRevenueandSegmentProfitLossDetails" xlink:type="extended" id="i305e74b315ec48b989080c0d090fe241_SegmentReportingSegmentRevenueandSegmentProfitLossDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_47689fea-f604-4a79-b4a7-4ecc0798ddd1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_a93a98ce-2ba9-4c12-9b95-9dd6592a3169" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47689fea-f604-4a79-b4a7-4ecc0798ddd1" xlink:to="loc_us-gaap_Revenues_a93a98ce-2ba9-4c12-9b95-9dd6592a3169" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_SegmentProfitLoss_6fc5b02f-61f9-4b06-8450-fb527c8e3cfd" xlink:href="cndt-20230630.xsd#cndt_SegmentProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47689fea-f604-4a79-b4a7-4ecc0798ddd1" xlink:to="loc_cndt_SegmentProfitLoss_6fc5b02f-61f9-4b06-8450-fb527c8e3cfd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_c31ab45f-520d-4765-b7eb-a3cfaa21b1ed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47689fea-f604-4a79-b4a7-4ecc0798ddd1" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_c31ab45f-520d-4765-b7eb-a3cfaa21b1ed" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_9bc46bd0-99dd-4d59-8155-235752ec5810" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_c31ab45f-520d-4765-b7eb-a3cfaa21b1ed" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_9bc46bd0-99dd-4d59-8155-235752ec5810" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_9bc46bd0-99dd-4d59-8155-235752ec5810_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9bc46bd0-99dd-4d59-8155-235752ec5810" xlink:to="loc_us-gaap_SegmentDomain_9bc46bd0-99dd-4d59-8155-235752ec5810_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_30eb91e5-f49d-426f-8f3a-ca0f9f926547" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9bc46bd0-99dd-4d59-8155-235752ec5810" xlink:to="loc_us-gaap_SegmentDomain_30eb91e5-f49d-426f-8f3a-ca0f9f926547" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_CommercialIndustriessegmentMember_d5e2270e-65ec-40b7-8c99-c2d369a106e2" xlink:href="cndt-20230630.xsd#cndt_CommercialIndustriessegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_30eb91e5-f49d-426f-8f3a-ca0f9f926547" xlink:to="loc_cndt_CommercialIndustriessegmentMember_d5e2270e-65ec-40b7-8c99-c2d369a106e2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_GovernmentServicesMember_89c84136-8ae9-4add-ac02-3b5115626c2c" xlink:href="cndt-20230630.xsd#cndt_GovernmentServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_30eb91e5-f49d-426f-8f3a-ca0f9f926547" xlink:to="loc_cndt_GovernmentServicesMember_89c84136-8ae9-4add-ac02-3b5115626c2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_TransportationServicesMember_756c4232-efe7-4b80-b18d-bf8da227b365" xlink:href="cndt-20230630.xsd#cndt_TransportationServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_30eb91e5-f49d-426f-8f3a-ca0f9f926547" xlink:to="loc_cndt_TransportationServicesMember_756c4232-efe7-4b80-b18d-bf8da227b365" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllOtherSegmentsMember_d83bed8c-09c8-46a9-8131-93842a0f09fd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllOtherSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_30eb91e5-f49d-426f-8f3a-ca0f9f926547" xlink:to="loc_us-gaap_AllOtherSegmentsMember_d83bed8c-09c8-46a9-8131-93842a0f09fd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_807879e0-5f2e-4b56-8818-6f37a2b55f0e" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_c31ab45f-520d-4765-b7eb-a3cfaa21b1ed" xlink:to="loc_srt_ConsolidationItemsAxis_807879e0-5f2e-4b56-8818-6f37a2b55f0e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_807879e0-5f2e-4b56-8818-6f37a2b55f0e_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_807879e0-5f2e-4b56-8818-6f37a2b55f0e" xlink:to="loc_srt_ConsolidationItemsDomain_807879e0-5f2e-4b56-8818-6f37a2b55f0e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_11a0cc05-033d-49c2-97e1-93c023ad5c38" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_807879e0-5f2e-4b56-8818-6f37a2b55f0e" xlink:to="loc_srt_ConsolidationItemsDomain_11a0cc05-033d-49c2-97e1-93c023ad5c38" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_9f7847ca-80c4-4102-b7ee-a15b3788d989" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_11a0cc05-033d-49c2-97e1-93c023ad5c38" xlink:to="loc_us-gaap_OperatingSegmentsMember_9f7847ca-80c4-4102-b7ee-a15b3788d989" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_e4a80e7c-0321-49f8-b029-0509d0879615" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_11a0cc05-033d-49c2-97e1-93c023ad5c38" xlink:to="loc_us-gaap_CorporateNonSegmentMember_e4a80e7c-0321-49f8-b029-0509d0879615" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_0c96145c-81dd-40b8-8608-a1e69c8b513b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_c31ab45f-520d-4765-b7eb-a3cfaa21b1ed" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_0c96145c-81dd-40b8-8608-a1e69c8b513b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_0c96145c-81dd-40b8-8608-a1e69c8b513b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_0c96145c-81dd-40b8-8608-a1e69c8b513b" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_0c96145c-81dd-40b8-8608-a1e69c8b513b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_6ff98dd0-001e-476f-a34c-e2c9c632ccdb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_0c96145c-81dd-40b8-8608-a1e69c8b513b" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_6ff98dd0-001e-476f-a34c-e2c9c632ccdb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_c0c69370-48a3-4bae-9b40-7d2aa3c7cf69" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_6ff98dd0-001e-476f-a34c-e2c9c632ccdb" xlink:to="loc_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_c0c69370-48a3-4bae-9b40-7d2aa3c7cf69" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/DivestitureDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#DivestitureDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/DivestitureDetails" xlink:type="extended" id="i27afb5990c2640179c027f7feaf05109_DivestitureDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c3f1a1d1-6c81-4e98-9427-268f5d739f32" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates_194eab9f-6045-470e-8ca9-5196e4bf2139" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c3f1a1d1-6c81-4e98-9427-268f5d739f32" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates_194eab9f-6045-470e-8ca9-5196e4bf2139" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_e158d4a7-ecd5-4bf6-acaa-8638ba87d341" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c3f1a1d1-6c81-4e98-9427-268f5d739f32" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_e158d4a7-ecd5-4bf6-acaa-8638ba87d341" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_DisposalGroupNotDiscontinuedOperationTaxOnGain_1745a5d3-fe02-4743-ae8b-5cf7b5cd6398" xlink:href="cndt-20230630.xsd#cndt_DisposalGroupNotDiscontinuedOperationTaxOnGain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c3f1a1d1-6c81-4e98-9427-268f5d739f32" xlink:to="loc_cndt_DisposalGroupNotDiscontinuedOperationTaxOnGain_1745a5d3-fe02-4743-ae8b-5cf7b5cd6398" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_ab993be8-1461-4eb8-8ea8-50693223a09d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c3f1a1d1-6c81-4e98-9427-268f5d739f32" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_ab993be8-1461-4eb8-8ea8-50693223a09d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b84706cb-e9e4-4550-9170-726b8c3f93a7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_c3f1a1d1-6c81-4e98-9427-268f5d739f32" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b84706cb-e9e4-4550-9170-726b8c3f93a7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_eb59b740-6cb3-4be5-880d-6c7a20df2576" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b84706cb-e9e4-4550-9170-726b8c3f93a7" xlink:to="loc_dei_LegalEntityAxis_eb59b740-6cb3-4be5-880d-6c7a20df2576" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_eb59b740-6cb3-4be5-880d-6c7a20df2576_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_eb59b740-6cb3-4be5-880d-6c7a20df2576" xlink:to="loc_dei_EntityDomain_eb59b740-6cb3-4be5-880d-6c7a20df2576_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_7fcd185c-a270-412d-82dc-4bc2d67f3a05" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_eb59b740-6cb3-4be5-880d-6c7a20df2576" xlink:to="loc_dei_EntityDomain_7fcd185c-a270-412d-82dc-4bc2d67f3a05" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_MidasSaleMember_320d4c54-d6a6-47be-a40e-cd8320646dd7" xlink:href="cndt-20230630.xsd#cndt_MidasSaleMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_7fcd185c-a270-412d-82dc-4bc2d67f3a05" xlink:to="loc_cndt_MidasSaleMember_320d4c54-d6a6-47be-a40e-cd8320646dd7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_DivestituresAxis_e0e310fd-4068-4864-b4ea-8776269aa86f" xlink:href="cndt-20230630.xsd#cndt_DivestituresAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b84706cb-e9e4-4550-9170-726b8c3f93a7" xlink:to="loc_cndt_DivestituresAxis_e0e310fd-4068-4864-b4ea-8776269aa86f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_DivestituresDomain_e0e310fd-4068-4864-b4ea-8776269aa86f_default" xlink:href="cndt-20230630.xsd#cndt_DivestituresDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_cndt_DivestituresAxis_e0e310fd-4068-4864-b4ea-8776269aa86f" xlink:to="loc_cndt_DivestituresDomain_e0e310fd-4068-4864-b4ea-8776269aa86f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_DivestituresDomain_e2f25e54-848c-44e9-9d87-42a1659ef741" xlink:href="cndt-20230630.xsd#cndt_DivestituresDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_cndt_DivestituresAxis_e0e310fd-4068-4864-b4ea-8776269aa86f" xlink:to="loc_cndt_DivestituresDomain_e2f25e54-848c-44e9-9d87-42a1659ef741" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_MidasSaleMember_cedb06c1-2b00-42b9-a988-665c59bcbc67" xlink:href="cndt-20230630.xsd#cndt_MidasSaleMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cndt_DivestituresDomain_e2f25e54-848c-44e9-9d87-42a1659ef741" xlink:to="loc_cndt_MidasSaleMember_cedb06c1-2b00-42b9-a988-665c59bcbc67" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/RestructuringProgramsandRelatedCostsDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#RestructuringProgramsandRelatedCostsDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/RestructuringProgramsandRelatedCostsDetails" xlink:type="extended" id="i66c5f5ac8e7449dda5828738f1f75037_RestructuringProgramsandRelatedCostsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_49870984-272e-4b6b-bdab-ffe8ae047b98" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveRollForward_e02fbce1-840f-46ac-98bb-52f339f58fa3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserveRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_49870984-272e-4b6b-bdab-ffe8ae047b98" xlink:to="loc_us-gaap_RestructuringReserveRollForward_e02fbce1-840f-46ac-98bb-52f339f58fa3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_25b4beb4-cac3-4cc2-8cf7-b7a20376f1e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserve"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_e02fbce1-840f-46ac-98bb-52f339f58fa3" xlink:to="loc_us-gaap_RestructuringReserve_25b4beb4-cac3-4cc2-8cf7-b7a20376f1e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_f22036ea-ae7d-4d86-a5bf-dfbe742fa9cc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_e02fbce1-840f-46ac-98bb-52f339f58fa3" xlink:to="loc_us-gaap_RestructuringCharges_f22036ea-ae7d-4d86-a5bf-dfbe742fa9cc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveAccrualAdjustment1_b99b7d00-c353-47df-ab1e-e573ff1a1879" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserveAccrualAdjustment1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_e02fbce1-840f-46ac-98bb-52f339f58fa3" xlink:to="loc_us-gaap_RestructuringReserveAccrualAdjustment1_b99b7d00-c353-47df-ab1e-e573ff1a1879" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_RestructuringNetCurrentPeriodCharges_f65476e0-42ac-4b08-8e44-810c16598255" xlink:href="cndt-20230630.xsd#cndt_RestructuringNetCurrentPeriodCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_e02fbce1-840f-46ac-98bb-52f339f58fa3" xlink:to="loc_cndt_RestructuringNetCurrentPeriodCharges_f65476e0-42ac-4b08-8e44-810c16598255" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRestructuring_c7154b1e-69d5-4b61-8dc0-20b7fb606cc7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForRestructuring"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_e02fbce1-840f-46ac-98bb-52f339f58fa3" xlink:to="loc_us-gaap_PaymentsForRestructuring_c7154b1e-69d5-4b61-8dc0-20b7fb606cc7" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_4981868d-c7a7-4e86-908d-7db487f39111" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserve"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfessionalAndContractServicesExpense_92e7eae6-6692-4d6e-9831-5e26889fca32" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfessionalAndContractServicesExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_49870984-272e-4b6b-bdab-ffe8ae047b98" xlink:to="loc_us-gaap_ProfessionalAndContractServicesExpense_92e7eae6-6692-4d6e-9831-5e26889fca32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_8917ce8c-21fe-4575-b1ea-8d779614c395" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_49870984-272e-4b6b-bdab-ffe8ae047b98" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_8917ce8c-21fe-4575-b1ea-8d779614c395" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanAxis_2a829c8f-7b55-49d5-a25b-3be9646cf87c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringPlanAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_8917ce8c-21fe-4575-b1ea-8d779614c395" xlink:to="loc_us-gaap_RestructuringPlanAxis_2a829c8f-7b55-49d5-a25b-3be9646cf87c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_2a829c8f-7b55-49d5-a25b-3be9646cf87c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_2a829c8f-7b55-49d5-a25b-3be9646cf87c" xlink:to="loc_us-gaap_RestructuringPlanDomain_2a829c8f-7b55-49d5-a25b-3be9646cf87c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_e990ac07-e01b-4ce8-b5b7-f0ee3d342a45" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_2a829c8f-7b55-49d5-a25b-3be9646cf87c" xlink:to="loc_us-gaap_RestructuringPlanDomain_e990ac07-e01b-4ce8-b5b7-f0ee3d342a45" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_DataCenterConsolidationMember_362966cd-2402-4633-8fb0-4c77ef724b12" xlink:href="cndt-20230630.xsd#cndt_DataCenterConsolidationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_e990ac07-e01b-4ce8-b5b7-f0ee3d342a45" xlink:to="loc_cndt_DataCenterConsolidationMember_362966cd-2402-4633-8fb0-4c77ef724b12" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_f59fc5e8-2318-409a-ae36-100013d882b8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_8917ce8c-21fe-4575-b1ea-8d779614c395" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_f59fc5e8-2318-409a-ae36-100013d882b8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_f59fc5e8-2318-409a-ae36-100013d882b8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_f59fc5e8-2318-409a-ae36-100013d882b8" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_f59fc5e8-2318-409a-ae36-100013d882b8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_eefbbb5e-c43b-461e-81bb-ae57ef7e8e1f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_f59fc5e8-2318-409a-ae36-100013d882b8" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_eefbbb5e-c43b-461e-81bb-ae57ef7e8e1f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_e8380632-a590-45ad-a06b-f72d6773539b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_eefbbb5e-c43b-461e-81bb-ae57ef7e8e1f" xlink:to="loc_us-gaap_EmployeeSeveranceMember_e8380632-a590-45ad-a06b-f72d6773539b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractTerminationMember_189483b2-7e93-4ef8-9e9b-168b795ebfd0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractTerminationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_eefbbb5e-c43b-461e-81bb-ae57ef7e8e1f" xlink:to="loc_us-gaap_ContractTerminationMember_189483b2-7e93-4ef8-9e9b-168b795ebfd0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FacilityClosingMember_7f060053-1600-49cf-a18f-97e880d9f0fe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FacilityClosingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_eefbbb5e-c43b-461e-81bb-ae57ef7e8e1f" xlink:to="loc_us-gaap_FacilityClosingMember_7f060053-1600-49cf-a18f-97e880d9f0fe" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_2296474a-e0c5-408b-8b90-fa285e66dc1a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_8917ce8c-21fe-4575-b1ea-8d779614c395" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_2296474a-e0c5-408b-8b90-fa285e66dc1a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_2296474a-e0c5-408b-8b90-fa285e66dc1a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2296474a-e0c5-408b-8b90-fa285e66dc1a" xlink:to="loc_us-gaap_SegmentDomain_2296474a-e0c5-408b-8b90-fa285e66dc1a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_d3899ef9-33d9-4d57-87a7-1a939e938680" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2296474a-e0c5-408b-8b90-fa285e66dc1a" xlink:to="loc_us-gaap_SegmentDomain_d3899ef9-33d9-4d57-87a7-1a939e938680" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_CommercialIndustriessegmentMember_45babdeb-9068-4b8b-a5c0-b43c080bc2bd" xlink:href="cndt-20230630.xsd#cndt_CommercialIndustriessegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_d3899ef9-33d9-4d57-87a7-1a939e938680" xlink:to="loc_cndt_CommercialIndustriessegmentMember_45babdeb-9068-4b8b-a5c0-b43c080bc2bd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_GovernmentServicesMember_f7e798ed-be8c-44ff-9ee9-8f22326494b2" xlink:href="cndt-20230630.xsd#cndt_GovernmentServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_d3899ef9-33d9-4d57-87a7-1a939e938680" xlink:to="loc_cndt_GovernmentServicesMember_f7e798ed-be8c-44ff-9ee9-8f22326494b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_TransportationServicesMember_422eb1e2-69b3-4c80-a5e2-231ab7eaa47b" xlink:href="cndt-20230630.xsd#cndt_TransportationServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_d3899ef9-33d9-4d57-87a7-1a939e938680" xlink:to="loc_cndt_TransportationServicesMember_422eb1e2-69b3-4c80-a5e2-231ab7eaa47b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllOtherSegmentsMember_9c18471b-ab39-45df-9c80-40779e233996" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllOtherSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_d3899ef9-33d9-4d57-87a7-1a939e938680" xlink:to="loc_us-gaap_AllOtherSegmentsMember_9c18471b-ab39-45df-9c80-40779e233996" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_495e40ea-9247-4d35-9e84-a2bd10953f25" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_8917ce8c-21fe-4575-b1ea-8d779614c395" xlink:to="loc_srt_ConsolidationItemsAxis_495e40ea-9247-4d35-9e84-a2bd10953f25" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_495e40ea-9247-4d35-9e84-a2bd10953f25_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_495e40ea-9247-4d35-9e84-a2bd10953f25" xlink:to="loc_srt_ConsolidationItemsDomain_495e40ea-9247-4d35-9e84-a2bd10953f25_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_78dc2903-6df5-4c1f-aa68-170f4be6ae3c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_495e40ea-9247-4d35-9e84-a2bd10953f25" xlink:to="loc_srt_ConsolidationItemsDomain_78dc2903-6df5-4c1f-aa68-170f4be6ae3c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_fb1a9b60-02bc-456d-ac23-b0dcfc56f6d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_78dc2903-6df5-4c1f-aa68-170f4be6ae3c" xlink:to="loc_us-gaap_OperatingSegmentsMember_fb1a9b60-02bc-456d-ac23-b0dcfc56f6d8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_dcf1c300-b6ac-4d96-b904-b75f4138df79" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_78dc2903-6df5-4c1f-aa68-170f4be6ae3c" xlink:to="loc_us-gaap_CorporateNonSegmentMember_dcf1c300-b6ac-4d96-b904-b75f4138df79" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/DebtDebtIssuancesDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#DebtDebtIssuancesDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/DebtDebtIssuancesDetails" xlink:type="extended" id="i1bba06a5808944d3b5f6ab994ae95382_DebtDebtIssuancesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_612ee2f7-310d-448f-90e1-57fbc772cd77" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_875e9812-0ced-4f6f-ba2b-2186603b38be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_612ee2f7-310d-448f-90e1-57fbc772cd77" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_875e9812-0ced-4f6f-ba2b-2186603b38be" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_93aa03f6-914d-4213-87af-226823a56266" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_612ee2f7-310d-448f-90e1-57fbc772cd77" xlink:to="loc_us-gaap_FinanceLeaseLiability_93aa03f6-914d-4213-87af-226823a56266" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLoansPayable_d484cf1e-e404-453c-b03f-314045fa82a4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLoansPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_612ee2f7-310d-448f-90e1-57fbc772cd77" xlink:to="loc_us-gaap_OtherLoansPayable_d484cf1e-e404-453c-b03f-314045fa82a4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_7f15879f-a84f-4867-89fa-f484eebe3dd9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_612ee2f7-310d-448f-90e1-57fbc772cd77" xlink:to="loc_us-gaap_DebtAndCapitalLeaseObligations_7f15879f-a84f-4867-89fa-f484eebe3dd9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_3575a20f-e565-4021-9026-fd3a1da2fd55" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_612ee2f7-310d-448f-90e1-57fbc772cd77" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_3575a20f-e565-4021-9026-fd3a1da2fd55" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_0b9135e5-a4ee-4021-895d-d5187b191535" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_612ee2f7-310d-448f-90e1-57fbc772cd77" xlink:to="loc_us-gaap_LongTermDebtCurrent_0b9135e5-a4ee-4021-895d-d5187b191535" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_LongTermDebtExcludingCurrentMaturitiesAndCapitalLeaseObligations_7d75892e-3936-47f7-b6a1-247d5ac6a436" xlink:href="cndt-20230630.xsd#cndt_LongTermDebtExcludingCurrentMaturitiesAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_612ee2f7-310d-448f-90e1-57fbc772cd77" xlink:to="loc_cndt_LongTermDebtExcludingCurrentMaturitiesAndCapitalLeaseObligations_7d75892e-3936-47f7-b6a1-247d5ac6a436" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_c96eccf6-fb44-4176-a5d5-6e4704d4c3ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_612ee2f7-310d-448f-90e1-57fbc772cd77" xlink:to="loc_us-gaap_DebtInstrumentTable_c96eccf6-fb44-4176-a5d5-6e4704d4c3ab" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_3b23ca55-4f91-4d9b-8b1d-434e6eddcbff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c96eccf6-fb44-4176-a5d5-6e4704d4c3ab" xlink:to="loc_us-gaap_DebtInstrumentAxis_3b23ca55-4f91-4d9b-8b1d-434e6eddcbff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_3b23ca55-4f91-4d9b-8b1d-434e6eddcbff_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_3b23ca55-4f91-4d9b-8b1d-434e6eddcbff" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_3b23ca55-4f91-4d9b-8b1d-434e6eddcbff_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_8d9546e3-1df1-4cdb-b196-3211f89b5827" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_3b23ca55-4f91-4d9b-8b1d-434e6eddcbff" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_8d9546e3-1df1-4cdb-b196-3211f89b5827" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_TermLoanADue2026Member_28d12671-2000-42e4-83ce-71637fa03ec2" xlink:href="cndt-20230630.xsd#cndt_TermLoanADue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_8d9546e3-1df1-4cdb-b196-3211f89b5827" xlink:to="loc_cndt_TermLoanADue2026Member_28d12671-2000-42e4-83ce-71637fa03ec2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_TermLoanBDue2028Member_33b0b0f7-f5a9-4124-8cbc-ac6443d6514e" xlink:href="cndt-20230630.xsd#cndt_TermLoanBDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_8d9546e3-1df1-4cdb-b196-3211f89b5827" xlink:to="loc_cndt_TermLoanBDue2028Member_33b0b0f7-f5a9-4124-8cbc-ac6443d6514e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_SeniorNotesDue2029Member_1b8343d3-c9f3-4854-b2a4-fc7d3a3f8cfe" xlink:href="cndt-20230630.xsd#cndt_SeniorNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_8d9546e3-1df1-4cdb-b196-3211f89b5827" xlink:to="loc_cndt_SeniorNotesDue2029Member_1b8343d3-c9f3-4854-b2a4-fc7d3a3f8cfe" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_A2021CreditFacilityRevolverMember_6cb6d4b8-2c74-439b-8753-dec7a1ef2372" xlink:href="cndt-20230630.xsd#cndt_A2021CreditFacilityRevolverMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_8d9546e3-1df1-4cdb-b196-3211f89b5827" xlink:to="loc_cndt_A2021CreditFacilityRevolverMember_6cb6d4b8-2c74-439b-8753-dec7a1ef2372" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_d1641120-fb07-4ccd-9ad0-bbe8edb6c4b6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_48d06c90-d7af-414b-a19f-e524c6e7f242" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_d1641120-fb07-4ccd-9ad0-bbe8edb6c4b6" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_48d06c90-d7af-414b-a19f-e524c6e7f242" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_a2ca9beb-92dc-4068-ba4c-6c38de7fb773" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_d1641120-fb07-4ccd-9ad0-bbe8edb6c4b6" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_a2ca9beb-92dc-4068-ba4c-6c38de7fb773" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_31dcd73b-e866-4844-ad29-3906e5fb44fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_d1641120-fb07-4ccd-9ad0-bbe8edb6c4b6" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_31dcd73b-e866-4844-ad29-3906e5fb44fb" xlink:type="arc" order="2" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_28e5033b-16d7-4f54-9ccc-0991ab86f544" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_31dcd73b-e866-4844-ad29-3906e5fb44fb" xlink:to="loc_us-gaap_CreditFacilityAxis_28e5033b-16d7-4f54-9ccc-0991ab86f544" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_28e5033b-16d7-4f54-9ccc-0991ab86f544_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_28e5033b-16d7-4f54-9ccc-0991ab86f544" xlink:to="loc_us-gaap_CreditFacilityDomain_28e5033b-16d7-4f54-9ccc-0991ab86f544_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_8badebed-96f4-4cc6-bce1-3eb12c4321ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_28e5033b-16d7-4f54-9ccc-0991ab86f544" xlink:to="loc_us-gaap_CreditFacilityDomain_8badebed-96f4-4cc6-bce1-3eb12c4321ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_82010432-3fb0-4078-a0f3-cefe4e4c5ac6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_8badebed-96f4-4cc6-bce1-3eb12c4321ff" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_82010432-3fb0-4078-a0f3-cefe4e4c5ac6" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/FinancialInstrumentsForeignExchangeRiskManagementDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#FinancialInstrumentsForeignExchangeRiskManagementDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/FinancialInstrumentsForeignExchangeRiskManagementDetails" xlink:type="extended" id="i35aab4b1b69f4dd1b7f16c70174c5345_FinancialInstrumentsForeignExchangeRiskManagementDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_21a30a22-0e48-4106-af84-4203294ac55d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_afe8986e-48c4-4fa5-941b-82f855c7801e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_21a30a22-0e48-4106-af84-4203294ac55d" xlink:to="loc_us-gaap_DerivativeNotionalAmount_afe8986e-48c4-4fa5-941b-82f855c7801e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_AverageMaturityOfForeignExchangeHedgingContractsWithinThreeMonths_c5f240f8-d87a-43d9-a8b0-989b25d2e2cc" xlink:href="cndt-20230630.xsd#cndt_AverageMaturityOfForeignExchangeHedgingContractsWithinThreeMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_21a30a22-0e48-4106-af84-4203294ac55d" xlink:to="loc_cndt_AverageMaturityOfForeignExchangeHedgingContractsWithinThreeMonths_c5f240f8-d87a-43d9-a8b0-989b25d2e2cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_AverageMaturityOfForeignExchangeHedgingContractsWithinThreeAndSixMonths_9b966664-1730-40fb-8fff-b8aef9a41572" xlink:href="cndt-20230630.xsd#cndt_AverageMaturityOfForeignExchangeHedgingContractsWithinThreeAndSixMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_21a30a22-0e48-4106-af84-4203294ac55d" xlink:to="loc_cndt_AverageMaturityOfForeignExchangeHedgingContractsWithinThreeAndSixMonths_9b966664-1730-40fb-8fff-b8aef9a41572" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_AverageMaturityOfForeignExchangeHedgingContractsWithinSixAndTwelveMonths_902cf1fd-03ee-412b-afcb-d38b894fad2f" xlink:href="cndt-20230630.xsd#cndt_AverageMaturityOfForeignExchangeHedgingContractsWithinSixAndTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_21a30a22-0e48-4106-af84-4203294ac55d" xlink:to="loc_cndt_AverageMaturityOfForeignExchangeHedgingContractsWithinSixAndTwelveMonths_902cf1fd-03ee-412b-afcb-d38b894fad2f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_AverageMaturityOfForeignExchangeHedgingContractsGreaterThanTwelveMonths_40cd0c28-96d8-4944-9971-6d73f541f32c" xlink:href="cndt-20230630.xsd#cndt_AverageMaturityOfForeignExchangeHedgingContractsGreaterThanTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_21a30a22-0e48-4106-af84-4203294ac55d" xlink:to="loc_cndt_AverageMaturityOfForeignExchangeHedgingContractsGreaterThanTwelveMonths_40cd0c28-96d8-4944-9971-6d73f541f32c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_32f67da3-74ff-43bd-8562-300fd3c45fdf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_21a30a22-0e48-4106-af84-4203294ac55d" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_32f67da3-74ff-43bd-8562-300fd3c45fdf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_c5e16a81-f4a1-4d76-9501-62882a336c24" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_32f67da3-74ff-43bd-8562-300fd3c45fdf" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_c5e16a81-f4a1-4d76-9501-62882a336c24" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_c5e16a81-f4a1-4d76-9501-62882a336c24_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_c5e16a81-f4a1-4d76-9501-62882a336c24" xlink:to="loc_us-gaap_HedgingRelationshipDomain_c5e16a81-f4a1-4d76-9501-62882a336c24_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_1cdcc138-e9b1-49cc-b14b-96d36d76d217" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_c5e16a81-f4a1-4d76-9501-62882a336c24" xlink:to="loc_us-gaap_HedgingRelationshipDomain_1cdcc138-e9b1-49cc-b14b-96d36d76d217" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_3be0cc16-4717-4b21-a8dd-d79387e051cc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_1cdcc138-e9b1-49cc-b14b-96d36d76d217" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_3be0cc16-4717-4b21-a8dd-d79387e051cc" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/FairValueofFinancialAssetsandLiabilitiesRecurringDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#FairValueofFinancialAssetsandLiabilitiesRecurringDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/FairValueofFinancialAssetsandLiabilitiesRecurringDetails" xlink:type="extended" id="i98a2388271db4fd8b05f442d7ed96b14_FairValueofFinancialAssetsandLiabilitiesRecurringDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_5e9b6587-14c7-4428-91c5-dfd2fd8aac74" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_f8935b2e-f682-49fb-aaf1-e8584cdeb7f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_5e9b6587-14c7-4428-91c5-dfd2fd8aac74" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_f8935b2e-f682-49fb-aaf1-e8584cdeb7f9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_6a3f3c95-5c4b-4fc9-8835-33c884c82296" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignCurrencyContractAssetFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_f8935b2e-f682-49fb-aaf1-e8584cdeb7f9" xlink:to="loc_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_6a3f3c95-5c4b-4fc9-8835-33c884c82296" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_85755bd3-65b0-4283-acfc-33ffd303c987" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_f8935b2e-f682-49fb-aaf1-e8584cdeb7f9" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_85755bd3-65b0-4283-acfc-33ffd303c987" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_daa55ffc-0166-42b8-887b-dac648cdc31d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_5e9b6587-14c7-4428-91c5-dfd2fd8aac74" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_daa55ffc-0166-42b8-887b-dac648cdc31d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_49208521-d9af-4f80-b10c-326daf4671cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_daa55ffc-0166-42b8-887b-dac648cdc31d" xlink:to="loc_us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_49208521-d9af-4f80-b10c-326daf4671cf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_99b62550-caac-4a8d-a142-bfec914a5fad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_daa55ffc-0166-42b8-887b-dac648cdc31d" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_99b62550-caac-4a8d-a142-bfec914a5fad" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_b06b59b4-647a-439b-bf5e-dd433de8b524" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_5e9b6587-14c7-4428-91c5-dfd2fd8aac74" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_b06b59b4-647a-439b-bf5e-dd433de8b524" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_276af24e-c1ac-40d9-a2f0-109fc5289326" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_b06b59b4-647a-439b-bf5e-dd433de8b524" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_276af24e-c1ac-40d9-a2f0-109fc5289326" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_276af24e-c1ac-40d9-a2f0-109fc5289326_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_276af24e-c1ac-40d9-a2f0-109fc5289326" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_276af24e-c1ac-40d9-a2f0-109fc5289326_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_bd89126d-4c20-4e20-9d63-a7da80d3474a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_276af24e-c1ac-40d9-a2f0-109fc5289326" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_bd89126d-4c20-4e20-9d63-a7da80d3474a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_129e1fbc-86d5-4413-a786-fabb846e310a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_bd89126d-4c20-4e20-9d63-a7da80d3474a" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_129e1fbc-86d5-4413-a786-fabb846e310a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6f5108ea-e06c-4f93-a89f-ed2ce9de188f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_b06b59b4-647a-439b-bf5e-dd433de8b524" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6f5108ea-e06c-4f93-a89f-ed2ce9de188f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_6f5108ea-e06c-4f93-a89f-ed2ce9de188f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6f5108ea-e06c-4f93-a89f-ed2ce9de188f" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_6f5108ea-e06c-4f93-a89f-ed2ce9de188f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_81ffd8ca-0874-4c8c-85b2-14b446a4d8f8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6f5108ea-e06c-4f93-a89f-ed2ce9de188f" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_81ffd8ca-0874-4c8c-85b2-14b446a4d8f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_2ae09781-847b-40fa-8ddc-db5d550b0378" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_81ffd8ca-0874-4c8c-85b2-14b446a4d8f8" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_2ae09781-847b-40fa-8ddc-db5d550b0378" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_50d30e44-883b-47be-a52c-66dd562eef00" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_b06b59b4-647a-439b-bf5e-dd433de8b524" xlink:to="loc_us-gaap_FinancialInstrumentAxis_50d30e44-883b-47be-a52c-66dd562eef00" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_50d30e44-883b-47be-a52c-66dd562eef00_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_50d30e44-883b-47be-a52c-66dd562eef00" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_50d30e44-883b-47be-a52c-66dd562eef00_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_793a1723-a732-4625-8d7b-fd2565604763" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_50d30e44-883b-47be-a52c-66dd562eef00" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_793a1723-a732-4625-8d7b-fd2565604763" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_4276a4c5-23cd-4800-b835-5a8f9ed290da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignExchangeForwardMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_793a1723-a732-4625-8d7b-fd2565604763" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_4276a4c5-23cd-4800-b835-5a8f9ed290da" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/FairValueofFinancialAssetsandLiabilitiesNonrecurringDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#FairValueofFinancialAssetsandLiabilitiesNonrecurringDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/FairValueofFinancialAssetsandLiabilitiesNonrecurringDetails" xlink:type="extended" id="i9ff65a6ffcda49fc91f5ba30a2c065bd_FairValueofFinancialAssetsandLiabilitiesNonrecurringDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_071d070f-6562-4732-a4c5-580eb4260e3d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue_d7f3bcfc-65ce-4164-a743-886c161294c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_071d070f-6562-4732-a4c5-580eb4260e3d" xlink:to="loc_us-gaap_LongTermDebtFairValue_d7f3bcfc-65ce-4164-a743-886c161294c6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_e49a962b-995d-4ded-ade9-19c939d02e90" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_071d070f-6562-4732-a4c5-580eb4260e3d" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_e49a962b-995d-4ded-ade9-19c939d02e90" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6c71cd66-003f-4cb4-a72a-9c9fe2684113" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_e49a962b-995d-4ded-ade9-19c939d02e90" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6c71cd66-003f-4cb4-a72a-9c9fe2684113" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_6c71cd66-003f-4cb4-a72a-9c9fe2684113_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6c71cd66-003f-4cb4-a72a-9c9fe2684113" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_6c71cd66-003f-4cb4-a72a-9c9fe2684113_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_8f598f2e-a0c6-4101-8559-5a5fdabff7a5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_6c71cd66-003f-4cb4-a72a-9c9fe2684113" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_8f598f2e-a0c6-4101-8559-5a5fdabff7a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsNonrecurringMember_db928a85-2c59-42bb-a1ba-6eceadbfc4e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsNonrecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_8f598f2e-a0c6-4101-8559-5a5fdabff7a5" xlink:to="loc_us-gaap_FairValueMeasurementsNonrecurringMember_db928a85-2c59-42bb-a1ba-6eceadbfc4e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_e9ddbba3-3583-4e91-adef-8f9e916de341" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_e49a962b-995d-4ded-ade9-19c939d02e90" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_e9ddbba3-3583-4e91-adef-8f9e916de341" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_e9ddbba3-3583-4e91-adef-8f9e916de341_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_e9ddbba3-3583-4e91-adef-8f9e916de341" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_e9ddbba3-3583-4e91-adef-8f9e916de341_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_cd78a9fa-cacf-493c-92ea-883267c5fcad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_e9ddbba3-3583-4e91-adef-8f9e916de341" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_cd78a9fa-cacf-493c-92ea-883267c5fcad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_ae3670c7-a62a-4030-9959-daa5aee69b2e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_cd78a9fa-cacf-493c-92ea-883267c5fcad" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_ae3670c7-a62a-4030-9959-daa5aee69b2e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_0300e0c6-6f4f-44af-b393-48912d0df288" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_cd78a9fa-cacf-493c-92ea-883267c5fcad" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_0300e0c6-6f4f-44af-b393-48912d0df288" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_062369a2-cc7d-47e1-9ae4-4707cfbe6996" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_cd78a9fa-cacf-493c-92ea-883267c5fcad" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_062369a2-cc7d-47e1-9ae4-4707cfbe6996" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/EmployeeBenefitPlansDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#EmployeeBenefitPlansDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/EmployeeBenefitPlansDetails" xlink:type="extended" id="i0f8e06f0aa134ca6bdc40003d0f68518_EmployeeBenefitPlansDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_7687a55f-21f8-49b6-b9d8-29bcacadc4c1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedContributionPlanDisclosureLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_16b3a02b-b2a4-45d8-a5ed-a0913752f806" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedContributionPlanCostRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_7687a55f-21f8-49b6-b9d8-29bcacadc4c1" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_16b3a02b-b2a4-45d8-a5ed-a0913752f806" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanTable_295bdef0-a730-4969-a494-c9f59fe54304" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DefinedContributionPlanTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_7687a55f-21f8-49b6-b9d8-29bcacadc4c1" xlink:to="loc_us-gaap_DefinedContributionPlanTable_295bdef0-a730-4969-a494-c9f59fe54304" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_cba62a84-0d37-4d97-b924-3a6522f7eb49" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetirementPlanTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DefinedContributionPlanTable_295bdef0-a730-4969-a494-c9f59fe54304" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_cba62a84-0d37-4d97-b924-3a6522f7eb49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_cba62a84-0d37-4d97-b924-3a6522f7eb49_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_cba62a84-0d37-4d97-b924-3a6522f7eb49" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_cba62a84-0d37-4d97-b924-3a6522f7eb49_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_e6c10c33-bae5-4926-b68a-3149cee06c0a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_cba62a84-0d37-4d97-b924-3a6522f7eb49" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_e6c10c33-bae5-4926-b68a-3149cee06c0a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_8a4bad90-c504-409f-b031-38fc3ec66ed3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_e6c10c33-bae5-4926-b68a-3149cee06c0a" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_8a4bad90-c504-409f-b031-38fc3ec66ed3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/AccumulatedOtherComprehensiveLossAOCLDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#AccumulatedOtherComprehensiveLossAOCLDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/AccumulatedOtherComprehensiveLossAOCLDetails" xlink:type="extended" id="icf54c4e3176549ad99799616910aab6d_AccumulatedOtherComprehensiveLossAOCLDetails">
    <link:loc xlink:type="locator" xlink:label="loc_cndt_EquityLineItems_45ba584e-0d22-49ba-979f-2d75236ac7f1" xlink:href="cndt-20230630.xsd#cndt_EquityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_b5dc1dbd-eff4-4124-b943-78822d2b3e09" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_cndt_EquityLineItems_45ba584e-0d22-49ba-979f-2d75236ac7f1" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_b5dc1dbd-eff4-4124-b943-78822d2b3e09" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_02a46ab2-ad09-40c5-8839-f65c141d1a7a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_b5dc1dbd-eff4-4124-b943-78822d2b3e09" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_02a46ab2-ad09-40c5-8839-f65c141d1a7a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_4fbf765b-0c94-409d-8d31-0c05fb9ae8de" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_b5dc1dbd-eff4-4124-b943-78822d2b3e09" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_4fbf765b-0c94-409d-8d31-0c05fb9ae8de" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_83381381-fad5-49f1-9ba1-8c6103912436" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_EquityTable_4e491599-8004-42bb-a43a-206b6af9d80b" xlink:href="cndt-20230630.xsd#cndt_EquityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_cndt_EquityLineItems_45ba584e-0d22-49ba-979f-2d75236ac7f1" xlink:to="loc_cndt_EquityTable_4e491599-8004-42bb-a43a-206b6af9d80b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_1793a995-4e4a-459d-99ef-430e679ac7ad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_cndt_EquityTable_4e491599-8004-42bb-a43a-206b6af9d80b" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_1793a995-4e4a-459d-99ef-430e679ac7ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_1793a995-4e4a-459d-99ef-430e679ac7ad_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_1793a995-4e4a-459d-99ef-430e679ac7ad" xlink:to="loc_us-gaap_EquityComponentDomain_1793a995-4e4a-459d-99ef-430e679ac7ad_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_9e8a30c2-0557-446e-a269-73e4cc9a8dbe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_1793a995-4e4a-459d-99ef-430e679ac7ad" xlink:to="loc_us-gaap_EquityComponentDomain_9e8a30c2-0557-446e-a269-73e4cc9a8dbe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_d13b3d1d-75bc-4089-a89e-da654883e727" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_9e8a30c2-0557-446e-a269-73e4cc9a8dbe" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_d13b3d1d-75bc-4089-a89e-da654883e727" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_884164cf-5410-49f4-8743-7c4c05afee07" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_9e8a30c2-0557-446e-a269-73e4cc9a8dbe" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_884164cf-5410-49f4-8743-7c4c05afee07" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_b8127c18-701a-4a3e-99a4-275c28d1c67a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_9e8a30c2-0557-446e-a269-73e4cc9a8dbe" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_b8127c18-701a-4a3e-99a4-275c28d1c67a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_efa0f17a-6e71-41cc-b7ba-3d1651be80c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_9e8a30c2-0557-446e-a269-73e4cc9a8dbe" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_efa0f17a-6e71-41cc-b7ba-3d1651be80c2" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/ContingenciesandLitigationLitigationAgainsttheCompanyDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#ContingenciesandLitigationLitigationAgainsttheCompanyDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/ContingenciesandLitigationLitigationAgainsttheCompanyDetails" xlink:type="extended" id="i1916e8f50df4401cbcdbc86c496d7796_ContingenciesandLitigationLitigationAgainsttheCompanyDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_e843445a-3f13-4f58-99a7-5e530be85fed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDamagesSoughtValue_5a6862c3-0a87-49a3-a168-819c2a2f8530" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingencyDamagesSoughtValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_e843445a-3f13-4f58-99a7-5e530be85fed" xlink:to="loc_us-gaap_LossContingencyDamagesSoughtValue_5a6862c3-0a87-49a3-a168-819c2a2f8530" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainContingencyUnrecordedAmount_0b54409c-938a-4090-b10e-86900ea69594" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainContingencyUnrecordedAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_e843445a-3f13-4f58-99a7-5e530be85fed" xlink:to="loc_us-gaap_GainContingencyUnrecordedAmount_0b54409c-938a-4090-b10e-86900ea69594" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNewClaimsFiledNumber_2e25a3ef-366f-437e-9bd2-afea96bb23b6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingencyNewClaimsFiledNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_e843445a-3f13-4f58-99a7-5e530be85fed" xlink:to="loc_us-gaap_LossContingencyNewClaimsFiledNumber_2e25a3ef-366f-437e-9bd2-afea96bb23b6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossOnContractTermination_4e8e18b6-f626-4943-9992-f49f8aa97634" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossOnContractTermination"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_e843445a-3f13-4f58-99a7-5e530be85fed" xlink:to="loc_us-gaap_LossOnContractTermination_4e8e18b6-f626-4943-9992-f49f8aa97634" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_LossContingencyIncreaseToDamagesSoughtValue_7da836a5-ea51-469a-b346-2adbabb0a7cb" xlink:href="cndt-20230630.xsd#cndt_LossContingencyIncreaseToDamagesSoughtValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_e843445a-3f13-4f58-99a7-5e530be85fed" xlink:to="loc_cndt_LossContingencyIncreaseToDamagesSoughtValue_7da836a5-ea51-469a-b346-2adbabb0a7cb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_ReciprocalLitigationPayments_f91719ac-67d8-4dc2-b111-457d4cffa1e8" xlink:href="cndt-20230630.xsd#cndt_ReciprocalLitigationPayments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_e843445a-3f13-4f58-99a7-5e530be85fed" xlink:to="loc_cndt_ReciprocalLitigationPayments_f91719ac-67d8-4dc2-b111-457d4cffa1e8" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_LitigationReserves_809842a3-deee-4a4e-8426-e0ea6b5dbbd4" xlink:href="cndt-20230630.xsd#cndt_LitigationReserves"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_e843445a-3f13-4f58-99a7-5e530be85fed" xlink:to="loc_cndt_LitigationReserves_809842a3-deee-4a4e-8426-e0ea6b5dbbd4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InsuranceRecoveries_360e1aeb-116b-4c1e-b5e2-690c6c2d682a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InsuranceRecoveries"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_e843445a-3f13-4f58-99a7-5e530be85fed" xlink:to="loc_us-gaap_InsuranceRecoveries_360e1aeb-116b-4c1e-b5e2-690c6c2d682a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_7641f5e2-4f98-4164-a8f8-9a399b92859a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GuaranteeObligationsMaximumExposure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_e843445a-3f13-4f58-99a7-5e530be85fed" xlink:to="loc_us-gaap_GuaranteeObligationsMaximumExposure_7641f5e2-4f98-4164-a8f8-9a399b92859a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_f93ca551-d085-476d-92e8-c2fe8910a11a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_e843445a-3f13-4f58-99a7-5e530be85fed" xlink:to="loc_us-gaap_LossContingenciesTable_f93ca551-d085-476d-92e8-c2fe8910a11a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_7af9e1f6-0526-4cac-8923-9ff4d029975b" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_LitigationCaseAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_f93ca551-d085-476d-92e8-c2fe8910a11a" xlink:to="loc_srt_LitigationCaseAxis_7af9e1f6-0526-4cac-8923-9ff4d029975b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_7af9e1f6-0526-4cac-8923-9ff4d029975b_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_LitigationCaseAxis_7af9e1f6-0526-4cac-8923-9ff4d029975b" xlink:to="loc_srt_LitigationCaseTypeDomain_7af9e1f6-0526-4cac-8923-9ff4d029975b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_31845c55-5534-4927-94cd-7da08fedcb02" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_LitigationCaseAxis_7af9e1f6-0526-4cac-8923-9ff4d029975b" xlink:to="loc_srt_LitigationCaseTypeDomain_31845c55-5534-4927-94cd-7da08fedcb02" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_SkyviewCapitalLLCAndContinuumGlobalSolutionsLLCVConduentBusinessServicesLLCMember_b28a19d7-e525-4f35-8944-625e8be28aa4" xlink:href="cndt-20230630.xsd#cndt_SkyviewCapitalLLCAndContinuumGlobalSolutionsLLCVConduentBusinessServicesLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_31845c55-5534-4927-94cd-7da08fedcb02" xlink:to="loc_cndt_SkyviewCapitalLLCAndContinuumGlobalSolutionsLLCVConduentBusinessServicesLLCMember_b28a19d7-e525-4f35-8944-625e8be28aa4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_ConduentBusinessServicesLLCv.CognizantBusinessServiceLLCMember_e4917163-7940-4c9c-8e3f-40def50a8ce0" xlink:href="cndt-20230630.xsd#cndt_ConduentBusinessServicesLLCv.CognizantBusinessServiceLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_31845c55-5534-4927-94cd-7da08fedcb02" xlink:to="loc_cndt_ConduentBusinessServicesLLCv.CognizantBusinessServiceLLCMember_e4917163-7940-4c9c-8e3f-40def50a8ce0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusAxis_e901082f-2d42-4bb3-bdbc-884d400f657b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LitigationStatusAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_f93ca551-d085-476d-92e8-c2fe8910a11a" xlink:to="loc_us-gaap_LitigationStatusAxis_e901082f-2d42-4bb3-bdbc-884d400f657b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusDomain_e901082f-2d42-4bb3-bdbc-884d400f657b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LitigationStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LitigationStatusAxis_e901082f-2d42-4bb3-bdbc-884d400f657b" xlink:to="loc_us-gaap_LitigationStatusDomain_e901082f-2d42-4bb3-bdbc-884d400f657b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusDomain_2c33c402-7663-400a-846e-a517144be460" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LitigationStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LitigationStatusAxis_e901082f-2d42-4bb3-bdbc-884d400f657b" xlink:to="loc_us-gaap_LitigationStatusDomain_2c33c402-7663-400a-846e-a517144be460" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PendingLitigationMember_6686c588-aaf5-4e4b-96f1-7cd3b2fce92f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PendingLitigationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationStatusDomain_2c33c402-7663-400a-846e-a517144be460" xlink:to="loc_us-gaap_PendingLitigationMember_6686c588-aaf5-4e4b-96f1-7cd3b2fce92f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_1d332024-ca69-46cf-8af0-222656f99b20" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_f93ca551-d085-476d-92e8-c2fe8910a11a" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_1d332024-ca69-46cf-8af0-222656f99b20" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_1d332024-ca69-46cf-8af0-222656f99b20_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_1d332024-ca69-46cf-8af0-222656f99b20" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_1d332024-ca69-46cf-8af0-222656f99b20_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_bfcaf6b3-2ae6-49a7-bd87-3e5bcb359c8c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_1d332024-ca69-46cf-8af0-222656f99b20" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_bfcaf6b3-2ae6-49a7-bd87-3e5bcb359c8c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_e529de24-40d9-489d-88b3-531906c99069" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_bfcaf6b3-2ae6-49a7-bd87-3e5bcb359c8c" xlink:to="loc_us-gaap_CostOfSalesMember_e529de24-40d9-489d-88b3-531906c99069" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_LitigationSettlementExpenseMember_3cbfd983-d7e7-4340-9b5c-ba4ca91f4d3c" xlink:href="cndt-20230630.xsd#cndt_LitigationSettlementExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_bfcaf6b3-2ae6-49a7-bd87-3e5bcb359c8c" xlink:to="loc_cndt_LitigationSettlementExpenseMember_3cbfd983-d7e7-4340-9b5c-ba4ca91f4d3c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_30303647-8e36-40bf-9992-6cb5ab7332c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_bfcaf6b3-2ae6-49a7-bd87-3e5bcb359c8c" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_30303647-8e36-40bf-9992-6cb5ab7332c7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_d46be3ce-44a8-4038-965b-8c01d2e4ddd8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GuaranteeObligationsByNatureAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_f93ca551-d085-476d-92e8-c2fe8910a11a" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_d46be3ce-44a8-4038-965b-8c01d2e4ddd8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_d46be3ce-44a8-4038-965b-8c01d2e4ddd8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GuaranteeObligationsNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_d46be3ce-44a8-4038-965b-8c01d2e4ddd8" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_d46be3ce-44a8-4038-965b-8c01d2e4ddd8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_410a5401-03be-4236-91c6-323dd8a73057" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GuaranteeObligationsNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_d46be3ce-44a8-4038-965b-8c01d2e4ddd8" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_410a5401-03be-4236-91c6-323dd8a73057" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SuretyBondMember_daeb9e5a-9ae9-483b-a2aa-2f6ca84643c3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SuretyBondMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_410a5401-03be-4236-91c6-323dd8a73057" xlink:to="loc_us-gaap_SuretyBondMember_daeb9e5a-9ae9-483b-a2aa-2f6ca84643c3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_ContractualAndCorporateObligationsGuaranteeMember_4838b079-c239-4142-9ec1-5ca8d1c33e95" xlink:href="cndt-20230630.xsd#cndt_ContractualAndCorporateObligationsGuaranteeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_410a5401-03be-4236-91c6-323dd8a73057" xlink:to="loc_cndt_ContractualAndCorporateObligationsGuaranteeMember_4838b079-c239-4142-9ec1-5ca8d1c33e95" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/PreferredStockDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#PreferredStockDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/PreferredStockDetails" xlink:type="extended" id="iafc5b9a3adc2424e8ee4b800f3482661_PreferredStockDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityLineItems_b72458ee-8ed2-4860-8195-3d49363264f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TemporaryEquityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_578dd757-d2e4-461a-9b92-1b51c91f9888" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_b72458ee-8ed2-4860-8195-3d49363264f3" xlink:to="loc_us-gaap_PreferredStockSharesIssued_578dd757-d2e4-461a-9b92-1b51c91f9888" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockLiquidationPreferenceValue_9dc3d2cf-6e32-42d6-9daa-5d93a75737c8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockLiquidationPreferenceValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_b72458ee-8ed2-4860-8195-3d49363264f3" xlink:to="loc_us-gaap_PreferredStockLiquidationPreferenceValue_9dc3d2cf-6e32-42d6-9daa-5d93a75737c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_a0f6e679-8966-4e64-8e6f-0febeb41ef99" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_b72458ee-8ed2-4860-8195-3d49363264f3" xlink:to="loc_us-gaap_PreferredStockValue_a0f6e679-8966-4e64-8e6f-0febeb41ef99" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_51454366-1a99-4600-89a8-f64f47d802b9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_b72458ee-8ed2-4860-8195-3d49363264f3" xlink:to="loc_us-gaap_PreferredStockDividendRatePercentage_51454366-1a99-4600-89a8-f64f47d802b9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_PreferredStockAnnualDividends_0341aa4e-7b35-4a04-a008-5af2ca9eac32" xlink:href="cndt-20230630.xsd#cndt_PreferredStockAnnualDividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_b72458ee-8ed2-4860-8195-3d49363264f3" xlink:to="loc_cndt_PreferredStockAnnualDividends_0341aa4e-7b35-4a04-a008-5af2ca9eac32" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion_15b3f17d-709b-445c-9fca-934b17e34cef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_b72458ee-8ed2-4860-8195-3d49363264f3" xlink:to="loc_us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion_15b3f17d-709b-445c-9fca-934b17e34cef" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertiblePreferredStockSharesReservedForFutureIssuance_0dae7dc4-bd48-4112-ac2c-0181863d2712" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConvertiblePreferredStockSharesReservedForFutureIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_b72458ee-8ed2-4860-8195-3d49363264f3" xlink:to="loc_us-gaap_ConvertiblePreferredStockSharesReservedForFutureIssuance_0dae7dc4-bd48-4112-ac2c-0181863d2712" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_PreferredStockInitialConversionPricePerShare_1d2e32c6-d509-484d-b780-293b8f4c509d" xlink:href="cndt-20230630.xsd#cndt_PreferredStockInitialConversionPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityLineItems_b72458ee-8ed2-4860-8195-3d49363264f3" xlink:to="loc_cndt_PreferredStockInitialConversionPricePerShare_1d2e32c6-d509-484d-b780-293b8f4c509d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityByClassOfStockTable_5dc7ff33-7560-4ab6-83c8-285c2234e452" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TemporaryEquityByClassOfStockTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_TemporaryEquityLineItems_b72458ee-8ed2-4860-8195-3d49363264f3" xlink:to="loc_us-gaap_TemporaryEquityByClassOfStockTable_5dc7ff33-7560-4ab6-83c8-285c2234e452" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_1df0a3fd-e2f9-477b-a4f2-4a955de20eb2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_TemporaryEquityByClassOfStockTable_5dc7ff33-7560-4ab6-83c8-285c2234e452" xlink:to="loc_us-gaap_StatementClassOfStockAxis_1df0a3fd-e2f9-477b-a4f2-4a955de20eb2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_1df0a3fd-e2f9-477b-a4f2-4a955de20eb2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_1df0a3fd-e2f9-477b-a4f2-4a955de20eb2" xlink:to="loc_us-gaap_ClassOfStockDomain_1df0a3fd-e2f9-477b-a4f2-4a955de20eb2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_c0395832-67d3-4f62-9dec-02c94043c442" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_1df0a3fd-e2f9-477b-a4f2-4a955de20eb2" xlink:to="loc_us-gaap_ClassOfStockDomain_c0395832-67d3-4f62-9dec-02c94043c442" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_8206bcad-1337-47b7-837a-304f2708ead6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_c0395832-67d3-4f62-9dec-02c94043c442" xlink:to="loc_us-gaap_CommonStockMember_8206bcad-1337-47b7-837a-304f2708ead6" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/EarningsLossPerShareDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#EarningsLossPerShareDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/EarningsLossPerShareDetails" xlink:type="extended" id="i4b8c2d866fe449bf9485d2e09f58f0ae_EarningsLossPerShareDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_4f3509fc-9de9-4aac-90c8-2c77fa7b9517" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_4f3509fc-9de9-4aac-90c8-2c77fa7b9517" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPreferredStockDividendsAndAdjustments_53083e6c-e1f5-4387-84c7-1a0636b33653" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherPreferredStockDividendsAndAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_us-gaap_OtherPreferredStockDividendsAndAdjustments_53083e6c-e1f5-4387-84c7-1a0636b33653" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_AdjustedNetIncomeLossAvailableToCommonShareholdersBasic_de787ce9-63a7-406e-bc68-cd6d1471d916" xlink:href="cndt-20230630.xsd#cndt_AdjustedNetIncomeLossAvailableToCommonShareholdersBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_cndt_AdjustedNetIncomeLossAvailableToCommonShareholdersBasic_de787ce9-63a7-406e-bc68-cd6d1471d916" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_95e0c25c-1fb1-4a49-bb0e-8ef68007eea4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_95e0c25c-1fb1-4a49-bb0e-8ef68007eea4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsAndOtherAdjustments_4e43d5f2-4d5e-427f-a111-aa71585f3cf3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockDividendsAndOtherAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_us-gaap_PreferredStockDividendsAndOtherAdjustments_4e43d5f2-4d5e-427f-a111-aa71585f3cf3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_AdjustedNetIncomeAvailableToCommonShareholdersDiluted_54ac786e-8765-4d8b-9030-8889455b7c0a" xlink:href="cndt-20230630.xsd#cndt_AdjustedNetIncomeAvailableToCommonShareholdersDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_cndt_AdjustedNetIncomeAvailableToCommonShareholdersDiluted_54ac786e-8765-4d8b-9030-8889455b7c0a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_767a6488-757f-41de-aed4-13ce3adc9012" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_767a6488-757f-41de-aed4-13ce3adc9012" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_0e41bbb8-799f-4b52-a9df-938be5b183cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_0e41bbb8-799f-4b52-a9df-938be5b183cf" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfPreferredStock_dc7f5efe-1046-42b1-b25c-5b38d441770c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncrementalCommonSharesAttributableToConversionOfPreferredStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfPreferredStock_dc7f5efe-1046-42b1-b25c-5b38d441770c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_375661c8-9bae-4818-8910-23da14394d36" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_375661c8-9bae-4818-8910-23da14394d36" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_4ff93659-24d7-41d3-8b9d-fe7a2adb34e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_4ff93659-24d7-41d3-8b9d-fe7a2adb34e5" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_b55439b1-fb87-487d-8300-cf6d3314db81" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_b55439b1-fb87-487d-8300-cf6d3314db81" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_8ffdca28-2d9d-4971-910c-96c432773301" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_8ffdca28-2d9d-4971-910c-96c432773301" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_9ea67d99-fbdf-4f1a-856c-c28e710d3de4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_43834965-d8cf-4027-be1a-2dee5b1e891e" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_9ea67d99-fbdf-4f1a-856c-c28e710d3de4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_93582822-5df3-406b-9996-5d1462b7652c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_9ea67d99-fbdf-4f1a-856c-c28e710d3de4" xlink:to="loc_us-gaap_AwardTypeAxis_93582822-5df3-406b-9996-5d1462b7652c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_93582822-5df3-406b-9996-5d1462b7652c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_93582822-5df3-406b-9996-5d1462b7652c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_93582822-5df3-406b-9996-5d1462b7652c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a024543f-f7aa-4d15-8243-2cd234cc06e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_93582822-5df3-406b-9996-5d1462b7652c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a024543f-f7aa-4d15-8243-2cd234cc06e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_RestrictedStockAndPerformanceSharesMember_8c82eaff-b296-4d08-bb16-88256e1d325b" xlink:href="cndt-20230630.xsd#cndt_RestrictedStockAndPerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_a024543f-f7aa-4d15-8243-2cd234cc06e1" xlink:to="loc_cndt_RestrictedStockAndPerformanceSharesMember_8c82eaff-b296-4d08-bb16-88256e1d325b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_7834048b-05c8-4ce4-aaa1-ff9e4444dcba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_9ea67d99-fbdf-4f1a-856c-c28e710d3de4" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_7834048b-05c8-4ce4-aaa1-ff9e4444dcba" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_7834048b-05c8-4ce4-aaa1-ff9e4444dcba_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_7834048b-05c8-4ce4-aaa1-ff9e4444dcba" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_7834048b-05c8-4ce4-aaa1-ff9e4444dcba_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_1c910351-1e83-4a1a-8a16-c1eb11c187f0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_7834048b-05c8-4ce4-aaa1-ff9e4444dcba" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_1c910351-1e83-4a1a-8a16-c1eb11c187f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_RestrictedStockAndPerformanceSharesMember_66a0455b-8e45-4c93-b668-4b65b3b57efa" xlink:href="cndt-20230630.xsd#cndt_RestrictedStockAndPerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_1c910351-1e83-4a1a-8a16-c1eb11c187f0" xlink:to="loc_cndt_RestrictedStockAndPerformanceSharesMember_66a0455b-8e45-4c93-b668-4b65b3b57efa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertiblePreferredStockMember_b4938995-5f55-438a-b60b-100ca528a240" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConvertiblePreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_1c910351-1e83-4a1a-8a16-c1eb11c187f0" xlink:to="loc_us-gaap_ConvertiblePreferredStockMember_b4938995-5f55-438a-b60b-100ca528a240" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.conduent.com/role/RelatedPartyTransactionsDetails" xlink:type="simple" xlink:href="cndt-20230630.xsd#RelatedPartyTransactionsDetails"/>
  <link:definitionLink xlink:role="http://www.conduent.com/role/RelatedPartyTransactionsDetails" xlink:type="extended" id="ib6ff8f2038044b1793843aac762c9708_RelatedPartyTransactionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_2e4c103e-101e-4fe6-8735-0645514b309d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_fd3672e8-7252-407f-beb2-46fce40e6293" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_2e4c103e-101e-4fe6-8735-0645514b309d" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_fd3672e8-7252-407f-beb2-46fce40e6293" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_8b7975a1-4e42-4c4f-a10e-02dfe56368e6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_2e4c103e-101e-4fe6-8735-0645514b309d" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_8b7975a1-4e42-4c4f-a10e-02dfe56368e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_90f5123a-0925-46b9-a235-14c8c9edaf89" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_2e4c103e-101e-4fe6-8735-0645514b309d" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_90f5123a-0925-46b9-a235-14c8c9edaf89" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f67a626e-48b0-4fb5-9cb4-71bcf87609ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_90f5123a-0925-46b9-a235-14c8c9edaf89" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f67a626e-48b0-4fb5-9cb4-71bcf87609ae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_f67a626e-48b0-4fb5-9cb4-71bcf87609ae_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f67a626e-48b0-4fb5-9cb4-71bcf87609ae" xlink:to="loc_us-gaap_RelatedPartyDomain_f67a626e-48b0-4fb5-9cb4-71bcf87609ae_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_535b66bf-4df7-4559-b34e-8292fcfd289f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f67a626e-48b0-4fb5-9cb4-71bcf87609ae" xlink:to="loc_us-gaap_RelatedPartyDomain_535b66bf-4df7-4559-b34e-8292fcfd289f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_16a73b50-6132-452a-a651-89ec4016439d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_535b66bf-4df7-4559-b34e-8292fcfd289f" xlink:to="loc_us-gaap_RelatedPartyMember_16a73b50-6132-452a-a651-89ec4016439d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#AwardTypeOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_cndt_RestrictedStockAndPerformanceSharesMember_61ec1b88-39f2-4491-9a07-750342144add" xlink:href="cndt-20230630.xsd#cndt_RestrictedStockAndPerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_cndt_RestrictedStockAndPerformanceSharesMember_61ec1b88-39f2-4491-9a07-750342144add" xlink:type="arc" order="4"/>
  </link:definitionLink>
</link:linkbase>
