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Meaning of “prove” in the English Dictionary

"prove" in British English

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proveverb

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

B2 [T, L] to show a ​particularresult after a ​period of ​time: The ​operation proved a ​completesuccess. The ​dispute over the ​songrights 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 ​stoptrying to prove himself all the ​time.

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  • 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 ​presentsystem, you're ​innocent until proven ​guilty. [+ question word] "I ​lost £30 on the ​bus." "That just goes to prove what an ​idiot you are!" Computers have been used to prove ​mathematicaltheorems. That ​theory was proved ​false. He's so ​aggressive - it's as if he's always ​trying to prove something.

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proven
adjective uk   /ˈpruː.vən/ /ˈprəʊ.vən/  us   /ˈpruː.vən/
You've got a proven ​workrecord, which gives you a ​bigadvantage.
(Definition of prove from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"prove" in American English

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proveverb

 us   /pruv/ (past participle proved or proven  /ˈpru·vən/ )
  • prove verb (SHOW)

to show after a ​time or by ​experience that something or someone has a ​particularquality: [L] The ​dispute over ​rights to the ​song could prove ​impossible to ​resolve. [+ to infinitive] The new ​safetyprocedures have so ​far proven to be ​satisfactory. As a ​newcomer, I ​felt I had to prove myself (= show I am ​skilled).
  • prove verb (MAKE CLEAR)

[T] to make it ​clear that something is or is not ​true: They ​suspected she ​cheated, but they could never prove it. [+ (that) clause] I had to take all my ​records to the ​bank to prove (that) the ​mistake was theirs. Under ​ourlegalsystem, you’re ​innocent until proven ​guilty.
proven
adjective [not gradable]  us   /ˈpru·vən/
You can’t ​trust him – he’s a proven ​liar.
(Definition of prove from the Cambridge Academic Content Dictionary © Cambridge University Press)
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“prove” in British English

“prove” in American English

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