prove - definition in the Learner's Dictionary - Cambridge Dictionaries Online

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English definition of “prove”

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prove

verb [T]
 
 
/pruːv/ ( past tense proved, past participle mainly US proven)
B1 to show that something is true: They knew who had stolen the money, but they couldn't prove it. [+ (that)] Can you prove that you weren't there? He's desperately trying to prove his innocence. →  Opposite disprove Proving and disproving
prove (to be) sth B2 to show a particular quality after a period of time: The new treatment has proved to be very effective.Showing and demonstrating
prove yourself to show that you are good at something: I wish he'd stop trying to prove himself all the time.Showing and demonstrating
(Definition of prove from the Cambridge Learners Dictionary © Cambridge University Press)
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