imprisoned imp·ri·so·ned UK/ɪmˈpɹɪzənd/ US/ˌɪˈmprɪzʌnd/ fairly common adjective 1. in captivity Synonymscaptiveconfinedjailed Similarunfree WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.