- Definitions|1
- Thesaurus|230
- Abbreviations|0
| au courant(expression, awake, sleepless) | |
| careful | |
| cautious | |
| certain(awake, sleepless) | |
| circumspect | |
| cognizant(awake, sleepless) | |
| conscious(awake, sleepless) | |
| conversant(awake, sleepless) | |
| discerning(awake, sleepless) | |
| diseased person(expression, idiom) | |
| felt(awake, sleepless) | |
| hep to(expression, awake, sleepless) | |
| in on(expression, awake, sleepless) | |
| in right mind(expression, idiom, awake, sleepless) | |
| inability to sleep(expression, idiom) | |
| indisposition | |
| jealous | |
| keen(awake, sleepless) | |
| knowing(awake, sleepless) | |
| known(awake, sleepless) |
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| APA | Smart Define. (2015). insomniac thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/insomniac/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insomniac thesaurus" https://smartdefine.org/insomniac/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, insomniac thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/insomniac/thesaurus/synonyms>. |
| MLA | Smart Define. "insomniac thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/insomniac/thesaurus/synonyms> |