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.

adjective adult pronunciation in British English /ˈædʌlt/adult pronunciation in British English /əˈdʌlt/
  1. 1
    [only before noun] your adult life is the whole period of your life after you have become an adult
    She was born in Vietnam but has spent most of her adult life in the US.
    Synonyms and related words
    1. a.
      involving people who are adults
      59% of the adult population
      a book enjoyed by young and adult readers
      Synonyms and related words
  2. 3
    sensible or serious
    Can you try and be a little more adult about this?
  3. 4
    [only before noun] completely grown
    an adult cat
    Synonyms and related words


used to describe foods which don't contain ingredients such as wheat, dairy products etc …

BuzzWord Article

Open Dictionary

red market

the buying and selling of human organs

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