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English definition of “frustrate”

frustrate

verb [T] (PREVENT)    /frʌsˈtreɪt/ US  /ˈfrʌs.treɪt/
to prevent the plans or efforts of someone or something from being achieved: The continuing civil war is frustrating the efforts of relief agencies.Preventing and impedingLimiting and restricting
(Definition of frustrate verb (PREVENT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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