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English definition of “disillusion”

disillusion

verb [T]     /ˌdɪs.ɪˈluː.ʒən/
to disappoint someone by telling them the unpleasant truth about something or someone that they had a good opinion of, or respected: I hate to/I'm sorry to disillusion you, but pregnancy is not always wonderful - I was sick every day for six months.Disappointing yourself and others disillusionment     /-mənt/ noun [U] (also disillusion) There is increasing disillusionment with the government.Disappointing yourself and others
(Definition of disillusion verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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