Synonyms|472Antonyms|66|Broader|58Narrower|73Related|265
1
hebetudinous
1
heroin
1
ho hum(expression, adjective, dull, flat, ordinary)
1
hoary(adjective, flat, stupid, ordinary, dry)
1
hop
1
hopeless
1
hypnotic agent(expression, medicine, health, healing)
1
in a stupor(expression, idiom)
1
indifferent
1
indolent(adjective, tired, lethargic, sleepy, dazed)
1
insensible(adjective, senseless)
1
insentient(adjective, senseless)
1
insouciant
1
junk
1
knockout drops
1
lackadaisical(adjective, tired, lethargic, sleepy, dazed)
1
laudanum
1
lazy(adjective, tired, lethargic, sleepy, dazed)
1
lenitive(noun, adjective)
1
lifeless(adjective, dull, dry, boring, tedious)
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APASmart Define. (2015). soporific thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/soporific/thesaurus/synonyms
ChicagoSmart Define. 2015. "soporific thesaurus" https://smartdefine.org/soporific/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, soporific thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/soporific/thesaurus/synonyms>.
MLASmart Define. "soporific thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/soporific/thesaurus/synonyms>