118 entries under indifferent topic. ×

2
sloppy(slow, careless, casual, negligent)
2
snoozy(adjective, dull, weak, easy, slow)
2
stony(adjective, unsympathetic, inattentive, uninterested)
2
thoughtless(adjective, slow, careless, casual)
2
undisturbed(adjective, nonchalant, undaunted, unworried)
2
unsympathetic(adjective, inattentive, uninterested, nonchalant)
2
untroubled(adjective, calm, cool, relaxed)
2
unworried(adjective, unsympathetic, inattentive, uninterested)
2
weary(adjective, dull, weak, easy, slow)
1
abstracted(adjective, careless, casual, lethargic)
1
blind(adjective, unsympathetic, inattentive, uninterested)
1
blithe(adjective, cheerful, unsympathetic, easygoing)
1
carefree apathetic(expression, unsympathetic, inattentive, uninterested)
1
deaf(adjective, unsympathetic, inattentive, uninterested)
1
draggy(adjective, dull, flat, low, sad)
1
energyless(adjective, dull, weak, easy, slow)
1
forgetful(adjective, slow, careless, casual)
1
hard-hearted(adjective, unsympathetic, inattentive, uninterested)
1
lackluster(adjective, dull, flat, low, sad)
1
neglectful(adjective, calm, dull, cool, careless)
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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>