99 entries under lethargic topic. ×

3
blah(adjective, action, dull, quiet, weak)
3
dopey(adjective, dull, quiet, weak, easy)
3
down(adjective, action, dull, low, slow)
3
drowsy(adjective, dull, quiet, easy, slow)
3
impassive(adjective, dull, quiet, cool, weak)
3
inattentive(adjective, dull, neglect, careless, indifferent)
3
insouciant(adjective, neglect, languid, indolent)
3
laggard(adjective, dull, quiet, easy, careless)
3
laid-back(adjective, dull, quiet, cool, weak)
3
stuporous(adjective, dull)
2
dragging(adjective, dull, slow, heavy, sluggish)
2
draggy(adjective, action, dull, quiet, flat)
2
hebetudinous(adjective, dull, slow, heavy, apathetic)
2
neglectful(adjective, dull, careless, indifferent, idle)
2
off(adjective, dull, moderate, low, slow)
2
out(adjective, dull, quiet, slow, heavy)
2
out of it(expression, adjective, idiom, dull, quiet)
2
procrastinating(dull, idle, sluggish, lazy)
2
remiss(dull, idle, sluggish, lazy)
2
sleepyhead(adjective, dull, quiet, weak, easy)
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APASmart Define. (2015). inactive thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inactive/thesaurus/synonyms
ChicagoSmart Define. 2015. "inactive thesaurus" https://smartdefine.org/inactive/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, inactive thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inactive/thesaurus/synonyms>.
MLASmart Define. "inactive thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/inactive/thesaurus/synonyms>