Synonyms|471Antonyms|205|Broader|3Narrower|9Related|940
0
stimulatory
0
stirring
0
swarming
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swift
0
teeming
0
tension
0
thronging
0
trendy
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tricky
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uncontrollable
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up
0
vigilant
0
voiced
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wakening
0
waking
0
wary
0
watchful
0
wide awake(expression, idiom)
0
windswept
0
wired
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APASmart Define. (2016). sleepy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sleepy/thesaurus/antonyms
ChicagoSmart Define. 2016. "sleepy thesaurus" https://smartdefine.org/sleepy/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, sleepy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sleepy/thesaurus/antonyms>.
MLASmart Define. "sleepy thesaurus" 18 February 2016. Web. 28 September 2026. <https://smartdefine.org/sleepy/thesaurus/antonyms>