Synonyms|471Antonyms|205|Broader|3Narrower|9Related|940
11
flirty
9
active
7
business-minded
6
awake
5
animated
5
bustling
5
busy
4
energetic
4
wakeful(adjective, alert, restless)
3
alert
3
alive
3
astir
3
lively(adjective, dull, alert, lethargic)
3
workaholic
2
animal
2
diligent
2
industrious
2
perky
2
spirited
2
sprightly
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APASmart Define. (2016). sleepy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sleepy/thesaurus/antonyms
ChicagoSmart Define. 2016. "sleepy thesaurus" https://smartdefine.org/sleepy/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sleepy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sleepy/thesaurus/antonyms>.
MLASmart Define. "sleepy thesaurus" 18 February 2016. Web. 25 September 2026. <https://smartdefine.org/sleepy/thesaurus/antonyms>