- Definitions|1
- Thesaurus|230
- Abbreviations|0
53 entries under sleepless topic. ×
| cognizant | |
| conscious | |
| conversant | |
| discerning | |
| felt | |
| hep to(expression, awake) | |
| in on(expression, awake) | |
| in right mind(expression, idiom, awake) | |
| keen | |
| knowing | |
| known | |
| noticing | |
| noting | |
| observing | |
| on the lookout(expression, careful, restless, disturbed) | |
| on to(expression, awake) | |
| perceiving | |
| percipient | |
| recognizing | |
| remarking |
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| APA | Smart Define. (2015). insomniac thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/insomniac/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insomniac thesaurus" https://smartdefine.org/insomniac/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, insomniac thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/insomniac/thesaurus/synonyms>. |
| MLA | Smart Define. "insomniac thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/insomniac/thesaurus/synonyms> |