228 entries under adjective topic. ×

1
shattered(beat, weary, tired, exhausted)
1
sick and tired(expression, idiom, beat, gloomy)
1
sleepyhead(dull, quiet, slow, relaxed)
1
slow-moving(dull, idle, sluggish, lazy)
1
slow-paced
1
slumbersome(dull, tired)
1
snail-paced
1
somnific(inactivity, awareness)
1
spent(beat, weary, tired, stale)
1
stable(dull, idle, sluggish, lazy)
1
stolid(dull, quiet, indifferent, still)
1
submissive(quiet, flat, indifferent, apathetic)
1
taxed(beat, gloomy, sick, depressed)
1
thick-witted
1
tractable(quiet, flat, indifferent, apathetic)
1
trying
1
unassertive(quiet, flat, indifferent, apathetic)
1
unconcerned(dull, still, idle, sluggish)
1
unflappable(quiet, indifferent, apathetic, lifeless)
1
unhurried
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APASmart Define. (2016). sleepy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sleepy/thesaurus/synonyms
ChicagoSmart Define. 2016. "sleepy thesaurus" https://smartdefine.org/sleepy/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, sleepy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sleepy/thesaurus/synonyms>.
MLASmart Define. "sleepy thesaurus" 18 February 2016. Web. 28 September 2026. <https://smartdefine.org/sleepy/thesaurus/synonyms>