94 entries under nonchalant topic. ×

8
casual(adjective, quiet, relaxed, indifferent, detached)
8
distant(adjective, quiet, cool, indifferent, restrained)
8
inattentive(adjective, dull, indifferent, coarse, detached)
8
neutral(adjective, cold, indifferent, detached, casual)
7
easygoing(adjective, dull, cool, relaxed, indifferent)
7
heedless(adjective, dull, indifferent, detached, distant)
7
negligent(adjective, cold, indifferent, dead, unsympathetic)
7
offhand(adjective, cool, careless, indifferent, restrained)
6
blase(adjective, relaxed, cold, indifferent, detached)
6
insensitive(adjective, temper, cold, indifferent, negative)
5
remote(adjective, quiet, cool, relaxed, cold)
5
supine(adjective, dull, weak, easy, slow)
5
unsympathetic(adjective, indifferent, detached, distant, apathetic)
5
withdrawn(adjective, cool, relaxed, indifferent, restrained)
4
callous(adjective, indifferent, detached, distant, apathetic)
4
laid-back(adjective, dull, cool, weak, easy)
4
relaxed(adjective, slow, indifferent, still, unsympathetic)
4
unexcited(adjective, cool, indifferent, sophisticated, apathetic)
3
calm(adjective, relaxed, laid-back)
3
oblivious(adjective, indifferent, unsympathetic, inattentive)
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APASmart Define. (2016). uninterested thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/uninterested/thesaurus/synonyms
ChicagoSmart Define. 2016. "uninterested thesaurus" https://smartdefine.org/uninterested/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, uninterested thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/uninterested/thesaurus/synonyms>.
MLASmart Define. "uninterested thesaurus" 4 March 2016. Web. 29 September 2026. <https://smartdefine.org/uninterested/thesaurus/synonyms>