Synonyms|524Antonyms|236|Broader|3Narrower|8Related|1.8k
3
serene(adjective, calm, cool, relaxed, indifferent)
3
slow-paced(adjective, slow)
3
sluggard(noun, adjective)
3
unfeeling(adjective, calm, cool, relaxed, detached)
3
uninspired
3
weak(adjective, dull, strong, easy, slow)
2
ataractic
2
atrabilious
2
backward
2
bilious
2
blah(adjective, dull, weak, easy, flat)
2
bored(lethargic, languid, indolent)
2
calm(adjective, cool, relaxed, detached, casual)
2
comatose(adjective, dull, weak, easy, slow)
2
composed(adjective, calm, cool, relaxed, casual)
2
cursory(adjective, informal, relaxed, casual, sloppy)
2
dallying(dull, idle, sluggish, dubious, lazy)
2
debilitated(adjective, dull, uncertain, feeble, weary)
2
disregardful(slow, careless, indifferent, casual, thoughtless)
2
distant(adjective, indifferent, unsympathetic, inattentive, uninterested)
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HarvardSmart Define 2016, lackadaisical thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/lackadaisical/thesaurus/synonyms>.
MLASmart Define. "lackadaisical thesaurus" 2 March 2016. Web. 28 September 2026. <https://smartdefine.org/lackadaisical/thesaurus/synonyms>