5
benumbed(adjective, dull, cold, apathetic, unfeeling)
5
blah(adjective, calm, dull, quiet, weak)
5
debilitated(adjective, dull, heavy, stupid, idle)
5
detached(adjective, indifferent, feelings, unfeeling, unconcerned)
5
droopy(adjective, relaxed, indifferent, unconcerned, lifeless)
5
immobile(adjective, dull, sluggish, lazy, inert)
5
unmoving(adjective, inactive, motionless, stationary)
4
asleep(adjective, dull, quiet, slow, heavy)
4
bovine(adjective, dull)
4
dead(adjective, cold, unfeeling, senseless, numb)
4
doltish(adjective, dull, slow, stupid)
4
drugged(adjective, cold, dead, tired, senseless)
4
groggy(adjective, calm, dull, flat, unemotional)
4
insouciant(adjective, languid, indolent)
4
laid-back(adjective, dull, weak, easy, slow)
4
lax(adjective, dull, sluggish, lazy, motionless)
4
leisurely(adjective, dull, quiet, weak, easy)
4
logy(adjective, slow, sluggish, slow-moving, snail-paced)
4
materialistic(feature, person, character, trait)
4
numb(adjective, cold, apathetic, unfeeling, senseless)
10 years ago|17k views|share |citing 
APASmart Define. (2016). lethargic thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lethargic/thesaurus/synonyms
ChicagoSmart Define. 2016. "lethargic thesaurus" https://smartdefine.org/lethargic/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, lethargic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lethargic/thesaurus/synonyms>.
MLASmart Define. "lethargic thesaurus" 4 January 2016. Web. 24 September 2026. <https://smartdefine.org/lethargic/thesaurus/synonyms>