Synonyms|3Antonyms|0|Broader|0Narrower|0Related|0
1
asleep(adjective, awareness)
1
sleeping(adjective, awareness)
1
unawake(adjective, awareness)
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APASmart Define. (2011). fast asleep thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/fast___asleep/thesaurus/synonyms
ChicagoSmart Define. 2011. "fast asleep thesaurus" https://smartdefine.org/fast___asleep/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2011, fast asleep thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/fast___asleep/thesaurus/synonyms>.
MLASmart Define. "fast asleep thesaurus" 6 May 2011. Web. 21 September 2026. <https://smartdefine.org/fast___asleep/thesaurus/synonyms>