94 entries under nonchalant topic. ×

37
indifferent(adjective, dull, weak, concern, easy)
33
apathetic(adjective, dull, weak, easy, slow)
29
unconcerned(adjective, dull, weak, concern, easy)
26
cool(adjective, temper, relaxed, cold, indifferent)
19
aloof(adjective, concern, attitude, temper, relaxed)
19
lukewarm(adjective, temper, cold, indifferent, negative)
17
incurious(adjective, concern, attitude, relaxed, cold)
15
detached(adjective, concern, attitude, relaxed, indifferent)
15
impassive(adjective, dull, weak, easy, slow)
14
dispassionate(adjective, indifferent, detached, distant, apathetic)
14
insouciant(adjective, relaxed, cold, indifferent, dead)
13
bored(adjective, dull, cool, indifferent, sophisticated)
13
cold(adjective, temper, indifferent, negative, detached)
12
lackadaisical(adjective, dull, weak, easy, slow)
12
phlegmatic(adjective, dull, cool, weak, easy)
10
insensible(adjective, temper, cold, indifferent, feelings)
10
unmoved(adjective, temper, cold, indifferent, negative)
9
perfunctory(adjective, relaxed, cold, indifferent, casual)
9
uninvolved(adjective, concern, attitude, indifferent, detached)
8
careless(adjective, dull, indifferent, coarse, casual)
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APASmart Define. (2016). uninterested thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/uninterested/thesaurus/synonyms
ChicagoSmart Define. 2016. "uninterested thesaurus" https://smartdefine.org/uninterested/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, uninterested thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/uninterested/thesaurus/synonyms>.
MLASmart Define. "uninterested thesaurus" 4 March 2016. Web. 27 September 2026. <https://smartdefine.org/uninterested/thesaurus/synonyms>