65 entries under sleepy topic. ×

11
heavy(adjective, dull, quiet, weak, easy)
10
dopey(adjective, action, dull, quiet, weak)
10
somnolent(adjective, dull, quiet, slow, careless)
10
tired(adjective, dull, weak, slow, careless)
8
unhurried(adjective, adverb, dull, weak, easy)
7
enervated(adjective, dull, weak, easy, slow)
7
slumberous(adjective, dull, quiet, slow, cold)
7
spiritless(adjective, dull, quiet, weak, easy)
6
drugged(adjective, cold, dead, tired, senseless)
6
easy(adjective, dull, quiet, weak, slow)
6
quiet(adjective, calm, dull, heavy, lazy)
6
soporific(adjective, dull, quiet, slow, heavy)
6
weak(adjective, dull, strong, easy, slow)
5
blah(adjective, calm, dull, quiet, weak)
5
nodding(adjective, quiet, slow, heavy, tired)
4
dozy(adjective, quiet, slow, heavy, tired)
4
draggy(adjective, dull, quiet, flat, low)
3
laid-back(adjective, dull, weak, easy, slow)
3
unenthusiastic(adjective, dull, weak, easy, slow)
2
asleep(adjective, dull, quiet, heavy, lazy)
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APASmart Define. (2016). sluggish thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sluggish/thesaurus/synonyms
ChicagoSmart Define. 2016. "sluggish thesaurus" https://smartdefine.org/sluggish/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, sluggish thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sluggish/thesaurus/synonyms>.
MLASmart Define. "sluggish thesaurus" 1 April 2016. Web. 27 September 2026. <https://smartdefine.org/sluggish/thesaurus/synonyms>