Synonyms|472Antonyms|66|Broader|58Narrower|73Related|265
2
callous(adjective, senseless)
2
drugged(adjective, tired, lethargic, sleepy, dazed)
2
heavy-eyed
2
heavy with sleep(expression, idiom, inactivity)
2
inactive(quiet, heavy, tired, lethargic, sleepy)
2
insensitive(adjective, senseless)
2
intoxicant
2
leaden
2
narcotising
2
oblivious(adjective, senseless)
2
out of it(expression, adjective, idiom, quiet, slow)
2
quietening(adjective, sleepy)
2
red
2
repetitive(adjective, dull, flat, stupid, ordinary)
2
routine(adjective, flat, stupid, ordinary, dry)
2
sleepful
2
spiritless
2
tired(adjective, dull, flat, stupid, ordinary)
2
tranquilizer
2
unconscious(adjective, senseless)
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APASmart Define. (2015). soporific thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/soporific/thesaurus/synonyms
ChicagoSmart Define. 2015. "soporific thesaurus" https://smartdefine.org/soporific/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, soporific thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/soporific/thesaurus/synonyms>.
MLASmart Define. "soporific thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/soporific/thesaurus/synonyms>