Did you know?

Click any word in a definition or example to find the entry for that word

prove

 - definition
 
 
 
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

more
verb British English pronunciation: prove /pruːv/ 
Word Forms
Close
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 something to someone:

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

    prove someone's innocence/guilt:

    For ten years he has been fighting to prove his innocence.

    prove someone right/wrong:

    Recent excellent results have proved their 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 film is proving very profitable.

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

phrases

Word of the Day

astronomer

someone who studies the stars and planets using scientific equipment including telescopes

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog