Did you know?

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

cap  - definition and synonyms

 
 
Close

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.

Close

Thesaurus

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.

more
noun [countable] cap pronunciation in British English /kæp/
Word Forms
Close
singularcap
pluralcaps
  • Facebook
  • Twitter
  1. 1
    a soft hat with a stiff part called a peak that comes out over your eyes

    a baseball cap

    an elderly man in a peaked cap

    1. a.
      a soft hat that people wear as part of a uniform

      a nurse’s/chauffeur’s/sailor’s cap

      a school cap

    2. b.
      a soft hat that you wear to protect or cover your hair

      a swimming/bathing/shower cap

  2. 2
    a lid or part that fits over the top of something

    Meg screwed the cap back on the bottle.

  3. 4
    literary the top part of a mountain

    the hills with their snowy caps

    1. a.
      the top part of a wave
  4. 5
    a hard cover fixed to a tooth to protect it or replace part of it
    Synonyms and related words
  5. 6
    British if a football, rugby, or cricket player wins a cap, they play for their country in an international match
    win/receive/get a cap:

    He won seventeen caps for England in the 1990s.

    1. a.
      a player who has played for their country’s team

      Barber is joined in the midfield by the England cap Nick Pickering.

  6. 7

    cap

    or

    Dutch cap

    British a rubber object that a woman puts inside her vagina so that she can have sex without getting pregnant

bit rot

when electronic information is lost because the software or devices needed to read it are no longer available

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

Blog

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