Did you know?

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


 - definitions and thesaurus

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.

noun [countable] problem pronunciation in British English /ˈprɒbləm/
Word Forms
  1. 1
    something that causes trouble or difficulty

    a major cause of traffic problems in the city

    problem of:

    the problem of unemployment

    problem for:

    Homelessness is a serious problem for a lot of young people.

    have problems with:

    We’ve been having problems with the heating in the office.

    solve a problem:

    That still doesn’t solve our problem.

    cause someone a problem/cause a problem for someone:

    The continuing bad weather is causing serious problems for farmers.

    pose (=be) a problem (for someone/something):

    Racial tensions in the south of the city pose a real problem for the police.

    the (only) problem is (that):

    They’re the best cameras on the market. The only problem is they’re incredibly expensive.




… a teaching method in which groups of children learn independently using a computer linked to the internet

BuzzWord Article

Open Dictionary


a derogatory word used for referring to people in the banking and investment industry who are thought of as taking serious risks in order to increase their own earnings …

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