83 entries under heavy topic. ×

2
slow-moving(adjective, dull, quiet, easy, slow)
2
wimpy(adjective, dull, weak, easy, slow)
1
blahs(adjective, dull, weak, easy, slow)
1
disinclined(adjective, quiet, moderate, easy, slow)
1
drippy(adjective, dull, slow, sluggish)
1
easy(adjective, dull, quiet, weak, slow)
1
energyless(adjective, dull, weak, easy, slow)
1
feeble(adjective, dull, weak, easy, slow)
1
infirm(adjective, dull, weak, easy, slow)
1
languishing(adjective, dull, weak, easy, slow)
1
moderate(adjective, quiet, easy, slow)
1
mooney(adjective, dull, slow, sluggish)
1
moony(adjective, dull, weak, easy, slow)
1
nebbish(adjective, dull, weak, easy, slow)
1
off(adjective, dull, slow, sluggish)
1
pining(adjective, dull, weak, easy, slow)
1
pokey(adjective, dull, slow, sluggish)
1
reluctant(adjective, quiet, moderate, easy, slow)
1
sleepyhead(adjective, dull, quiet, weak, easy)
1
sleepyheaded(adjective, dull, slow, sluggish)
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APASmart Define. (2016). lethargic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/lethargic/thesaurus/synonyms
ChicagoSmart Define. 2016. "lethargic thesaurus" https://smartdefine.org/lethargic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, lethargic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/lethargic/thesaurus/synonyms>.
MLASmart Define. "lethargic thesaurus" 4 January 2016. Web. 28 September 2026. <https://smartdefine.org/lethargic/thesaurus/synonyms>