Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “asleep”


adjective [after verb]     /əˈsliːp/
B1 sleeping or not awake : I'm surprised to see you awake - ten minutes ago you were fast / sound (= completely ) asleep. I've only just got up and I'm still half asleep (= not completely awake ).Sleep and sleeping If your arm or leg is asleep, it cannot feel anything because it has been in the same position for so long .Unable to feel anything fall asleep to start to sleep : I fell asleep as soon as my head hit the pillow .
(Definition of asleep adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of asleep

Definitions of “asleep” in other dictionaries

Word of the Day

prenuptial agreement

an official document signed by two people before they get married that says what will happen to their possessions and/or children if they divorce (= officially stop being married)

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More