Did you know?

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


 - definition

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 entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

prefix British English pronunciation: great- /ɡreɪt/
  1. 1
    used with nouns describing older relatives to make other nouns meaning the grandfather, grandmother etc of your parent

    my great-grandfather (=the grandfather of one of my parents)

    my great-aunt (=the aunt of one of my parents)

  2. 2
    used with nouns describing younger relatives to make other nouns meaning the child of your grandson, granddaughter etc

    my great-granddaughter (=the daughter of my grandchild)

    my great-nephew (=the son of my nephew)

dark pool

a method of financial trading in which share prices are hidden and not openly available to the public

BuzzWord Article

Word of the Day


money, food, or clothes given to poor people

Open Dictionary


to post a tweet, usually a negative one, that mentions a person without using the @ sign, so that they will not see the message on their Twitter feed …

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