Did you know?

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

shut up - 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.

phrasal verb
Word Forms
present tense
I/you/we/theyshut up
he/she/itshuts up
present participleshutting up
past tenseshut up
past participleshut up
  • Facebook
  • Twitter
  1. 1
    [intransitive] [often in imperative] impolite to stop talking or making a noise
    Why don’t you shut up?
    shut up about: I wish he’d shut up about his holiday.
    1. a.
      [transitive]shut someone up impolite to make someone stop talking or making a noise
      Can’t you shut the kids up for just five minutes?
  2. 2
    [transitive] to keep someone in a small area for a specific purpose
    Many students shut themselves up in their rooms to study.
See also main entry: shut


a meal served in the evening which consists of foods traditionally eaten at breakfast

BuzzWord Article

Open Dictionary

troll factory

a company that pays its employees to write online comments in favour or against somebody or something posing as ordinary Internet users

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