- Definitions|2
- Thesaurus|152
- Abbreviations|0
20 entries under adjective topic. ×
| soporific(dull, quiet, heavy, inactivity) | |
| somnific(quiet, slow, dark, heavy) | |
| hypnotic(dull, quiet, dark, heavy) | |
| narcotic(noun, dull, quiet, slow) | |
| somnifacient(noun, dull, quiet, dark) | |
| opiate(noun, dull, quiet, slow) | |
| somnolent(dull, quiet, dark, heavy) | |
| soporiferous | |
| hypnogogic | |
| sleepy(inactivity, awareness) | |
| hypnagogic | |
| slumberous | |
| sedative(noun, dull, quiet, slow) | |
| anodyne | |
| lethargic | |
| draggy(quiet, slow, heavy, sleepy) | |
| out of it(expression, idiom, quiet, slow) | |
| mesmeric | |
| sleep-inducing | |
| slumbrous |
For more, visit
Somniferous on
Power Thesaurus
| APA | Smart Define. (2015). somniferous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/somniferous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "somniferous thesaurus" https://smartdefine.org/somniferous/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, somniferous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/somniferous/thesaurus/synonyms>. |
| MLA | Smart Define. "somniferous thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/somniferous/thesaurus/synonyms> |