- Definitions|2
- Thesaurus|638
- Abbreviations|0
48 entries under sleepless topic. ×
| sure(adjective, understanding, keen, sensible, certain) | |
| vigilant(adjective, understanding, keen, sensible, certain) | |
| watchful(adjective, understanding, keen, sensible, certain) | |
| wise to(expression, adjective, understanding, keen, sensible) | |
| with it(expression, adjective, understanding, keen, sensible) | |
| witting(adjective, understanding, keen, sensible, certain) | |
| insomniac | |
| wide awake(expression, awake, insomniac) |
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| APA | Smart Define. (2016). seeing thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/seeing/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "seeing thesaurus" https://smartdefine.org/seeing/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, seeing thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/seeing/thesaurus/synonyms>. |
| MLA | Smart Define. "seeing thesaurus" 18 March 2016. Web. 26 September 2026. <https://smartdefine.org/seeing/thesaurus/synonyms> |