228 entries under adjective topic. ×

9
quiet(dull, easy, slow, heavy)
9
supine(dull, quiet, easy, slow)
8
bored(dull, beat, weary, tired)
8
dead(dull, beat, moderate, low)
8
heavy(dull, quiet, easy, slow)
8
hypnotic(dull, tired, inactivity, awareness)
8
languid(dull, slow, careless, relaxed)
8
languorous(dull, slow, careless, relaxed)
8
lazy(dull, slow, relaxed, deliberate)
7
enervated(beat, slow, relaxed, still)
7
exhausted(beat, gloomy, depressed, weary)
7
fatigued(beat, gloomy, depressed, weary)
7
idle(dull, quiet, flat, careless)
7
nodding(quiet, slow, heavy, tired)
6
sleeping(dull, tired)
6
debilitated(dull, stupid, idle, weary)
6
dreamy(quiet, easy, slow, relaxed)
6
out(dull, quiet, informal, cold)
6
passive(dull, quiet, careless, heavy)
6
phlegmatic(quiet, easy, slow, relaxed)
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APASmart Define. (2016). sleepy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sleepy/thesaurus/synonyms
ChicagoSmart Define. 2016. "sleepy thesaurus" https://smartdefine.org/sleepy/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, sleepy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sleepy/thesaurus/synonyms>.
MLASmart Define. "sleepy thesaurus" 18 February 2016. Web. 26 September 2026. <https://smartdefine.org/sleepy/thesaurus/synonyms>