Synonyms|87Antonyms|16|Broader|0Narrower|0Related|49
1
uncaring
1
without needing oxygen
0
anodyne
0
ataractic
0
ataraxic
0
causing sleep
0
deadening
0
debilitating
0
deleterious
0
depressant
0
devoid
0
devoid of interest
0
dormitive
0
draining
0
enervating
0
enfeebling
0
exhausting
0
heavy with sleep
0
inducing sleep
0
injurious
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APASmart Define. (2015). somniferous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/somniferous/thesaurus/related
ChicagoSmart Define. 2015. "somniferous thesaurus" https://smartdefine.org/somniferous/thesaurus/related (accessed September 29, 2026).
HarvardSmart Define 2015, somniferous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/somniferous/thesaurus/related>.
MLASmart Define. "somniferous thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/somniferous/thesaurus/related>