Did you know?

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

proof

 - 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
noun proof pronunciation in American English /pruf/ 
Word Forms
Close
singularproof
pluralproofs
 
  1. 1
    [countable/uncountable] information or evidence that shows that something is definitely true or definitely exists
    proof of:

    We were unable to establish proof of her innocence.

    Do you have any proof of identity (=a document such as a passport that proves who you are)?

    proof that:

    Do you have any proof that this is true?

  2. 3
    [countable] [usually plural] a copy of a book or article that someone reads and corrects before the final copy is made

    Whiskey that is 100 proof actually contains 50 % alcohol.

phrases

 

creep

used with other nouns to describe the unexpected and often unwanted effects of a particular situation or trend

BuzzWord Article

Open Dictionary

sandwich woman

a woman in middle age who has to juggle caring for teenage children and ageing parents with a career

add a word

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