Meanings
- idiomaticnot comparableSleeping still and silently.
When Frere had come down, an hour before, the prisoners were all snugly between their blankets. They were not so now; though, at the first clink of the bolts, they would be back again in their old positions, to all appearances sound asleep.
1874, Marcus Clarke, chapter V, in For the Term of His Natural LifeSynonyms: fast asleep, down for the count · Antonyms: wide awake, awake
Synonyms & antonyms
More synonyms by meaning
adjectivesleeping deeply
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Chinese Mandarin 沉睡, 熟睡
- 沉睡 (chénshuì)sleeping still and silently
- 熟睡 (shúshuì)sleeping still and silently
Estonian sügavas unes
- sügavas unessleeping still and silently
Finnish syvässä unessa
- syvässä unessasleeping still and silently
French dormir à poings fermés
- dormir à poings ferméssleeping still and silently
German fest schlafend, tief schlafend
- fest schlafendsleeping still and silently
- tief schlafendsleeping still and silently
Portuguese ferrado no sono
- ferrado no sonosleeping still and silently
Russian крепко спящий
- крепко спящий (krepko spjaščij)sleeping still and silently
Turkish mışıl mışıl uyuyan
- mışıl mışıl uyuyansleeping still and silently
Cite this entry
sound asleep. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/sound%20asleep
“sound asleep.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sound%20asleep. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “sound asleep,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/sound%20asleep.
Source: sound asleep on Wiktionary, CC BY-SA 4.0.