118 entries under indifferent topic. ×

4
unimpressed(adjective, apathetic)
3
blase(calm, cool, informal, relaxed)
3
callous(adjective, unsympathetic, inattentive, uninterested)
3
detached(adjective, calm, cool, relaxed)
3
faineant(adjective, careless)
3
relaxed(adjective, calm, cool, slow, careless)
3
romantic(adjective, careless)
3
sentimental(adjective, careless)
3
serene(adjective, calm, cool, relaxed)
2
blah(adjective, dull, weak, easy, flat)
2
comatose(adjective, dull, weak, easy, slow)
2
disregardful(slow, careless, casual, thoughtless)
2
distant(adjective, unsympathetic, inattentive, uninterested)
2
emotionless(adjective, apathetic)
2
feckless(adjective, cheerful, unsympathetic, easygoing)
2
loose(adjective, calm, cool, relaxed)
2
regardless(slow, careless, casual, thoughtless)
2
reserved(adjective, unsympathetic, inattentive, uninterested)
2
slapdash(adjective, slow, careless, casual)
2
slipshod(adjective, slow, casual, thoughtless)
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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>