Entry 1 sense Webster, 1913 Misappropriate /mĭs-əp-rōp'-rē-ātˌ/ · Mis·ap·pro·pri·ate · IPA /ˌmɪs.əˈpɹoʊ.pɹi.eɪt/ 01 v. t. To appropriate wrongly; to use for a wrong purpose. 1. To appropriate wrongly; to use for a wrong purpose.