Did you know?

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

because - definition and synonyms


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.



The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

conjunction because pronunciation in American English /bɪˈkɔz/because pronunciation in American English /bɪkəz/
  • Facebook
  • Twitter
Because can be used in the following ways:
as a conjunction (connecting two clauses): We went by bus because it was cheaper.
in the preposition phrase because of (followed by a noun): The first game of the season was canceled because of the snow.
  1. 1
    used for showing the reason something happens or the reason why it is described in a particular way

    I couldn’t call you because I didn’t have your number.

    It’s a really useful book, because it explains everything very clearly.

    The hotel’s difficult to find because the road isn’t signposted.

    “Why all this fuss about security?” “Because it’s important.”

    He’s always criticizing me – maybe it’s because I’m a woman.

    because of:

    Stacey retired in 1987, partly because of ill health.

    Because of the Asian crisis, the company’s profits fell by 15% during 1997.

  2. 2
    mainly spoken used for introducing facts that explain why you believe that something is true

    George was obviously in a bad mood, because he didn’t even say good morning.



to fall over forwards so that your face hits the ground or another surface

BuzzWord Article

Open Dictionary


the activity of exploring abandoned buildings and other manmade structures

add a word


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
Macmillan learn live love play