2
uninvolved(adjective, calm, dull, flat, unemotional)
2
wimpy(adjective, dull, weak, easy, slow)
2
worn-out(adjective, fatigued)
1
abeyant(dull, sluggish, lazy, passive, inert)
1
abject
1
abstracted(adjective, dull, careless, relaxed, indifferent)
1
anaesthetised
1
asleep on the job(expression, idiom, dull, sluggish, lazy)
1
besotted(adjective, dull)
1
blacked out(expression, adjective, cold, senseless, lifeless)
1
blahs(adjective, dull, weak, easy, slow)
1
blase
1
callous(adjective, indifferent, unfeeling, unconcerned, numb)
1
catatonic(adjective, inert)
1
catlike
1
cloddish(adjective, dull)
1
cool(adjective, calm, dull, flat, indifferent)
1
dallying(dull, idle, sluggish, dubious, lazy)
1
dead to the world(expression, adjective, idiom, cold, dead)
1
delaying(adjective, slow)
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>