Did you know?

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

sleep

 - definitions and thesaurus
 
 
 
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 sleep pronunciation in British English /sliːp/
  1. 1
    [uncountable] a natural state in which you are unconscious for a time and your body rests, especially for several hours at night

    Babies need a lot of sleep.

    get to sleep:

    I can’t get to sleep if there’s any noise.

    I woke up during the storm and couldn’t get back to sleep.

    get some/much/any sleep:

    You need to go home and get some sleep.

    without sleep:

    A night without sleep left him red-eyed and haggard.

    1. a.
      [only before noun] relating to sleep

      sleep deprivation

  2. 2
    [singular] a period of time when you are sleeping

    Karen woke up from a long sleep and rubbed her eyes.

    have a sleep:

    I think I’ll have a sleep this afternoon.

    a good night’s sleep:

    I haven’t had a good night’s sleep for over a week.

    a deep/light sleep (=one that is difficult/easy to wake up from):

    She lay down and soon fell into a deep sleep.

phrases

SOLE

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

BuzzWord Article

Open Dictionary

bankster

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

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