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English definition of “disillusioned”

disillusioned

adjective     /ˌdɪs.ɪˈluː.ʒənd/
C2 disappointed and unhappy because of discovering the truth about something or someone that you liked or respected: He's become a disillusioned man. All the other teachers are thoroughly disillusioned with their colleague.Feeling sad and unhappy
(Definition of disillusioned adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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