Synonyms|17Antonyms|0|Broader|0Narrower|0Related|8

7 entries under adjective topic. ×

3
out(sleeping, slumbering, snoozing)
2
sleeping(asleep, slumbering, snoozing)
2
slumbering(asleep, sleeping, snoozing)
2
sound asleep(expression, asleep, sleeping, slumbering)
1
dead to the world(expression, idiom, asleep, sleeping)
0
sleeping like a baby(expression, idiom, asleep, sleeping)
0
sleeping like a log(expression, idiom, sleeping)
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APASmart Define. (2015). fast asleep thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fast_asleep/thesaurus/synonyms
ChicagoSmart Define. 2015. "fast asleep thesaurus" https://smartdefine.org/fast_asleep/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, fast asleep thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fast_asleep/thesaurus/synonyms>.
MLASmart Define. "fast asleep thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/fast_asleep/thesaurus/synonyms>