Synonyms of asleep

17 similar words · 1 opposite word

Another word for asleep is sleeping. Other synonyms of asleep are dormant and cold. The opposite of asleep is awake.

Synonyms and similar words for asleep

coldUnconscious or deeply asleep; deprived of the metaphorical heat associated with life or consciousness.
comatose informalFast asleep.
dead to the worldSound asleep.
dormantInactive, sleeping, asleep, suspended.
down for the count figurativelySoundly unconscious, either because asleep or because otherwise knocked out.
in the arms of Morpheus figuratively, literary
in the arms of Murphy humorous, slangAsleep.
out coldSoundly unconscious, either because asleep or because otherwise knocked out.
out like a light colloquialAsleep or unconscious, particularly if this has occurred suddenly and the sleep is deep.
sacked outSound asleep, usually from a healthy exhaustion.
sleepbound poeticAsleep.
sleepingAsleep.
somnambularSleepy; asleep or as if asleep.
unawakeningNot awakening; dormant, asleep.
unawakingNot waking; dormant, asleep.
unwakingNot waking; dormant, asleep.
nangry Australia, obsoleteAsleep.

adjective In a state of sleep; also, broadly, resting.
adjective Inattentive.
adjective Having a numb or prickling sensation accompanied by a degree of unresponsiveness.

What is another word for asleep?: Asleep has 17 synonyms on Word.ws, such as sleeping, dormant and cold.
What is the opposite of asleep?: The opposite of asleep is awake.
What does asleep mean?: Asleep means in a state of sleep; also, broadly, resting.

Adapted from Wiktionary: asleep (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this page: “Synonyms of asleep.” Word.ws, https://word.ws/synonyms/asleep. Based on Wiktionary, CC BY-SA 4.0.