Synonyms|87Antonyms|16|Broader|0Narrower|0Related|49

6 entries under soporific topic. ×

8
hypnotic(adjective, dull, quiet, dark, heavy)
7
narcotic(noun, adjective, dull, quiet, slow)
7
somnifacient(noun, adjective, dull, quiet, dark)
6
opiate(noun, adjective, dull, quiet, slow)
6
somnolent(adjective, dull, quiet, dark, heavy)
3
sedative(noun, adjective, dull, quiet, slow)
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APASmart Define. (2015). somniferous thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/somniferous/thesaurus/synonyms
ChicagoSmart Define. 2015. "somniferous thesaurus" https://smartdefine.org/somniferous/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, somniferous thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/somniferous/thesaurus/synonyms>.
MLASmart Define. "somniferous thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/somniferous/thesaurus/synonyms>