99 entries under lethargic topic. ×

2
slow-moving(adjective, dull, quiet, easy, slow)
2
slumberous(adjective, dull, quiet, slow, heavy)
2
snoozy(adjective, dull, quiet, weak, easy)
2
soporific(quiet, heavy, tired, sleepy)
2
stupid(adjective, dull, heavy, apathetic, sluggish)
1
careless(dull, idle, sluggish, languid)
1
dallying(dull, idle, sluggish, lazy)
1
dreamy(still, sluggish, lazy, listless)
1
drippy(adjective, dull, slow, heavy, sluggish)
1
energyless(adjective, dull, weak, easy, slow)
1
enervated(adjective, dull, weak, easy, slow)
1
faint(adjective, dull, weak, easy, slow)
1
lagging(dull, idle, sluggish, lazy)
1
languishing(adjective, dull, weak, easy, slow)
1
lumpish(adjective, dull, slow, heavy, stupid)
1
mooney(adjective, dull, slow, heavy, sluggish)
1
pokey(adjective, dull, slow, heavy, sluggish)
1
sleepyheaded(adjective, dull, slow, heavy, sluggish)
1
sluggard(adjective, dull, slow, heavy, still)
1
stiff(adjective, dull, moderate, low, slow)
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APASmart Define. (2015). inactive thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/inactive/thesaurus/synonyms
ChicagoSmart Define. 2015. "inactive thesaurus" https://smartdefine.org/inactive/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, inactive thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/inactive/thesaurus/synonyms>.
MLASmart Define. "inactive thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/inactive/thesaurus/synonyms>