145 entries under indifferent topic. ×

7
passionless(adjective, cool, detached, blank)
7
passive(adjective, insensitive)
7
phlegmatic(adjective, calm, quiet, cool, relaxed)
7
undisturbed(adjective, feature, state, calm, cool)
7
unenthusiastic(adjective, unconvinced, uninspired)
7
unmindful(adjective, careless, casual, sloppy)
7
unmoved(adjective, calm, cool, temper, cold)
6
blasé(adjective, calm, cool, relaxed, cold)
6
heartless(adjective, cool, detached, blank)
6
incurious(adjective, calm, cool, careless, relaxed)
6
thoughtless(adjective, feature, state, careless)
6
unexcited(adjective, calm, quiet, cool, relaxed)
6
unfeeling(adjective, calm, cool, relaxed)
5
callous(adjective, cool, detached, blank)
5
distant(adjective, detached, aloof, apathetic)
5
laid-back(adjective, feature, state, calm, cool)
5
objective(adjective, detached, distant, apathetic)
5
reserved(adjective, cool, blank, aloof)
5
stoical(adjective, calm, cool, steady)
5
stony(adjective, unsympathetic, insensitive, inattentive)
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APASmart Define. (2015). nonchalant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/nonchalant/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonchalant thesaurus" https://smartdefine.org/nonchalant/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, nonchalant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/nonchalant/thesaurus/synonyms>.
MLASmart Define. "nonchalant thesaurus" 9 December 2015. Web. 28 September 2026. <https://smartdefine.org/nonchalant/thesaurus/synonyms>