104 entries under lethargic topic. ×

8
unhurried(adjective, adverb, dull, weak, easy)
7
down(adjective, dull, increase, low, slow)
7
enervated(adjective, dull, weak, easy, slow)
7
slow-moving(adjective, dull, quiet, easy, slow)
7
slumberous(adjective, dull, quiet, slow, cold)
7
spiritless(adjective, dull, quiet, weak, easy)
6
drugged(adjective, cold, dead, tired, senseless)
6
insensible(adjective, dull, quiet, flat, slow)
6
lax(adjective, dull, slow, late, lazy)
6
off(adjective, dull, increase, moderate, low)
6
shiftless(adjective, action, dull, slow, careless)
6
soporific(adjective, dull, quiet, slow, heavy)
5
benumbed(adjective, dull)
5
blah(adjective, calm, dull, quiet, weak)
5
easygoing(adjective, lazy, languid, indolent)
5
hebetudinous(adjective, action, dull, simple, slow)
5
insouciant(adjective, languid, indolent)
5
nodding(adjective, quiet, slow, heavy, tired)
5
stiff(adjective, dull, moderate, low, slow)
5
stuporous(adjective, action, dull)
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APASmart Define. (2016). sluggish thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sluggish/thesaurus/synonyms
ChicagoSmart Define. 2016. "sluggish thesaurus" https://smartdefine.org/sluggish/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, sluggish thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sluggish/thesaurus/synonyms>.
MLASmart Define. "sluggish thesaurus" 1 April 2016. Web. 28 September 2026. <https://smartdefine.org/sluggish/thesaurus/synonyms>