86 entries under lethargic topic. ×

5
inanimate(adjective, dull, low, depressed)
5
laid-back(adjective, calm, dull, cool, weak)
5
sleepy(adjective, dull, quiet, easy, slow)
4
benumbed
4
drugged(adjective, tired, sleepy, dazed)
4
leisurely(adjective, dull, quiet, weak, easy)
4
lumpish
4
somnolent(adjective, dull, careless, relaxed, indifferent)
4
tired(adjective, dull, slow, careless, indifferent)
4
unhurried(adjective, dull, quiet, weak, easy)
3
heavy(adjective, dull, quiet, weak, easy)
3
hebetudinous
2
blah(adjective, dull, weak, easy, flat)
2
bored(languid, indolent)
2
comatose(adjective, dull, weak, easy, slow)
2
dormant(adjective, dull, heavy, weary, apathetic)
2
drooping(adjective, dull, relaxed, sluggish, lazy)
2
snoozy(adjective, dull, weak, easy, slow)
2
weary(adjective, dull, weak, easy, slow)
1
abstracted(adjective, careless, indifferent, casual)
10 years ago|21k views|share |citing 
APASmart Define. (2016). lackadaisical thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/lackadaisical/thesaurus/synonyms
ChicagoSmart Define. 2016. "lackadaisical thesaurus" https://smartdefine.org/lackadaisical/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, lackadaisical thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/lackadaisical/thesaurus/synonyms>.
MLASmart Define. "lackadaisical thesaurus" 2 March 2016. Web. 30 September 2026. <https://smartdefine.org/lackadaisical/thesaurus/synonyms>