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prove

verb (SHOW)
 
 
/pruːv/ (proved, proved or MAINLY US proven)

Definition

B2 [T, L] to show a particular result after a period of time: The operation proved a complete success. The dispute over the song rights proved impossible to resolve. [L (+ to be)] The new treatment has proved to be a disaster.Showing and demonstrating prove yourself C2 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 verb (SHOW) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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