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English definition of “defy”

defy

verb     /dɪˈfaɪ/
[T] to refuse to obey someone or something: Some of these children openly defy their teachers.DisobedientObeying and breaking the lawObedient and compliantBad and wrong behaviour
defy belief/description/explanation, etc to be impossible to believe/describe/explain, etc: His attitude defies belief.Possible and probable
defy sb to do sth to tell someone to do something that you think will be impossible: I defy you to prove that I'm wrong.Competing and contending (non-sporting)Competing in sport
(Definition of defy verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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