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English definition of “asleep”

asleep

adjective [not gradable]    /əˈslip/
sleeping or not awake: I fell asleep (= began to sleep) while watching television. I didn’t hear the phone – I was fast/sound asleep (= sleeping and not easily woken). If your arm or leg is asleep, you have no feeling there because the flow of blood to that part has been reduced by being in the same position for too long.
(Definition of asleep adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
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