51 entries under adjective topic. ×
| active | |
| awake | |
| animated | |
| busy | |
| energetic | |
| wakeful(alert, restless) | |
| alert | |
| alive | |
| lively(dull, alert, lethargic) | |
| perky | |
| spirited | |
| sprightly | |
| vivacious | |
| conscious | |
| jaunty | |
| perspicacious | |
| unsleepy | |
| vigorous | |
| able | |
| acute |
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| APA | Smart Define. (2016). sleepy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sleepy/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "sleepy thesaurus" https://smartdefine.org/sleepy/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, sleepy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sleepy/thesaurus/antonyms>. |
| MLA | Smart Define. "sleepy thesaurus" 18 February 2016. Web. 26 September 2026. <https://smartdefine.org/sleepy/thesaurus/antonyms> |