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English definition of “prove”

prove

verb uk   /pruːv/ (proved, proved or MAINLY US proven) us  

prove verb (SHOW)

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. prove yourself C2 to show that you are good at something: I wish he'd stop trying to prove himself all the time.

prove verb (SHOWING TRUTH)

B1 [T] to show that something is true: [+ that] They suspected that she'd killed him but they could never actually prove that it was her. [+ adj] They proved him innocent/guilty. Under the present system, you're innocent until proven guilty. [+ question word] "I lost £30 in the bus." "That just goes to prove what an idiot you are!" Computers have been used to prove mathematical theorems. That theory was proved false. He's so aggressive - it's as if he's always trying to prove something.
proven
adjective uk   /ˈpruː.vən/ /ˈprəʊ-/ us  
You've got a proven work record, which gives you a big advantage.
(Definition of prove from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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