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English definition of “asleep”

asleep

adjective [after verb]     /əˈsliːp/
B1 sleeping or not awake: I fell asleep (= I started to sleep) as soon as my head hit the pillow. 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
(Definition of asleep adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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