- Definitions|1
- Thesaurus|162
- Abbreviations|0
60 entries under adjective topic. ×
| vigilant(alert, careful, cautious, disturbed) | |
| wakeful(keen, anxious, alert, careful) | |
| watchful(keen, alert, careful, disturbed) | |
| awake(awareness, wakeful) | |
| sleepless(keen, anxious, careful, restless) | |
| wide-awake(keen, anxious, alert, careful) | |
| alert(keen, careful, restless, cautious) | |
| attentive(keen, alert, careful, cautious) | |
| alive | |
| constant | |
| steadfast | |
| steady | |
| unfaltering | |
| unflagging | |
| unflinching | |
| insomniac | |
| observant(keen, alert, careful, cautious) | |
| open-eyed(keen, anxious, alert, careful) | |
| restless | |
| unswerving |
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| APA | Smart Define. (2015). unsleeping thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unsleeping/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unsleeping thesaurus" https://smartdefine.org/unsleeping/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, unsleeping thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unsleeping/thesaurus/synonyms>. |
| MLA | Smart Define. "unsleeping thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unsleeping/thesaurus/synonyms> |