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English definition of “prove”

prove

verb [T] (SHOWING TRUTH)    /pruːv/ (proved, proved or MAINLY US proven)
B1 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.Proving and disproving proven     /ˈpruː.vən/ /ˈprəʊ-/ adjective You've got a proven work record, which gives you a big advantage.Proving and disproving
(Definition of prove verb (SHOWING TRUTH) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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