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verb prove pronunciation in American English /pruv/ 
Word Forms
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present tense
I/you/we/theyprove
he/she/itproves
present participleproving
past tenseproved
past participleproved or proven
  1. 1
    [transitive] to provide evidence that shows that something is true
    prove (that):

    You have to prove you are sorry for what you've done.

    prove someone's innocence/guilt:

    He is still fighting to prove his innocence.

    prove something to someone:

    She was determined to prove to her parents that she could live on her own.

    prove someone right/wrong:

    Recent excellent results have proved the critics wrong.

  2. 2
    [linking verb] if something proves to have a particular quality, things happen that show it has that quality

    My decision proved to be a good one.

    The movie is proving very profitable.

    His injuries proved fatal (=he died because of them).

    Synonyms and related words for this sense of prove

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