prevent definition, meaning - what is prevent in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “prevent”

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prevent

verb [T] uk   us   /prɪˈvent/
B1 to stop something from happening or someone from doing something: Label your suitcases to prevent confusion. [+ -ing verb] His disability prevents him (from) driving.
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(Definition of prevent from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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