asleep
Americanadverb
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in or into a state of sleep.
He fell asleep quickly.
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into a dormant or inactive state; to rest.
Their anxieties were put asleep.
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into the state of death.
adjective
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sleeping.
He is asleep.
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dormant; inactive.
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(of the foot, hand, leg, etc.) numb.
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dead.
adjective
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in or into a state of sleep
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in or into a dormant or inactive state
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(of limbs, esp when the blood supply to them has been restricted) numb; lacking sensation
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euphemistic dead
Other Word Forms
Etymology
Origin of asleep
before 1000; Middle English o slæpe, aslepe, Old English on slǣpe; see a- 1, sleep
Explanation
If you're asleep, you're not awake and reading this. A baby might find it hard to fall asleep without being held and rocked. Some people snore when they're asleep, and others have strange, vivid dreams. In either case, their eyes are closed and they're in a state of rest that's close to being unconscious. You can also use asleep figuratively, to mean "numb," as when your leg falls asleep, or "inattentive," as when the opposing soccer team is asleep and your team beats them easily.
Vocabulary lists containing asleep
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In others, taking longer to fall asleep was linked to structural brain changes involving lower brain volume.
From Science Daily ● Jul. 31, 2026
“Were the reporters asleep at the switch or did they knowingly engage in some sort of deal with the 49ers to not release it?”
From Los Angeles Times ● Jul. 28, 2026
If their young daughter had not fallen asleep by 7pm, Emily said her husband would come into the bedroom and pull her away saying: "Mummy's got to go now."
From BBC ● Jul. 24, 2026
GRENOBLE, France—One night last week, Tour de France leader Tadej Pogacar was fast asleep on the shores of Lake Geneva when he was suddenly awoken by a knock at his hotel-room door.
From The Wall Street Journal ● Jul. 23, 2026
Opal watched, transfixed for a while, and then fell asleep on the floor, a skein of gold clutched in her hands.
From "Rump: The (Fairly) True Story of Rumpelstilskin" by Liesl Shurtliff
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
