- Definitions|2
- Thesaurus|99
- Abbreviations|0
| soporific(adjective, quiet, dark, heavy, awareness) | |
| somniferous(adjective, quiet, slow, dark, heavy) | |
| narcotic(adjective, quiet, slow, dark, heavy) | |
| hypnogogic | |
| sedative(adjective, quiet, slow, dark, heavy) | |
| somnifacient(adjective, quiet, dark, heavy, awareness) | |
| soporiferous | |
| hypnagogic | |
| hypnotic(adjective, quiet, dark, heavy, awareness) | |
| opiate(adjective, quiet, slow, dark, heavy) | |
| somnolent(adjective, quiet, dark, heavy, awareness) | |
| blah(adjective, informal, sleepy) | |
| comatose(adjective, sleepy) | |
| depressant | |
| draggy(adjective, quiet, slow, heavy, sleepy) | |
| heavy(adjective, informal, sleepy) | |
| inactive(adjective, sleepy) | |
| lethargic(adjective, sleepy) | |
| listless(adjective, sleepy) | |
| narcotizing |
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| APA | Smart Define. (2013). somnific thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/somnific/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "somnific thesaurus" https://smartdefine.org/somnific/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2013, somnific thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/somnific/thesaurus/synonyms>. |
| MLA | Smart Define. "somnific thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/somnific/thesaurus/synonyms> |