35 entries under nonchalant topic. ×

24
indifferent(adjective, relaxed, cold, indifferent, detached)
23
cursory(adjective, slight, keen, informal, detail)
15
casual(adjective, slight, detail, relaxed, indifferent)
12
apathetic(adjective, relaxed, cold, indifferent, dead)
11
unconcerned(adjective, relaxed, cold, indifferent, detached)
11
uninterested(adjective, relaxed, cold, indifferent, casual)
9
offhand(adjective, careless, indifferent, casual, sloppy)
8
cool(adjective, relaxed, indifferent, casual, apathetic)
8
incurious(adjective, relaxed, cold, detached, casual)
6
lackadaisical(adjective, informal, relaxed, indifferent, detached)
5
easygoing(adjective, cool, relaxed, indifferent, casual)
4
blase(adjective, informal, relaxed, cold, indifferent)
4
pococurante(adjective, informal, relaxed, cold, casual)
3
abrupt(adjective, indifferent, fast, casual, quick)
3
aloof(adjective, relaxed, cold, indifferent, detached)
3
detached(adjective, cool, relaxed, indifferent, casual)
2
curt(adjective, indifferent, fast, casual)
2
laid-back(adjective, cool, informal, relaxed, indifferent)
1
brusque(indifferent, casual)
1
loose(cool, relaxed, casual, easygoing, laid-back)
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APASmart Define. (2015). perfunctory thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/perfunctory/thesaurus/synonyms
ChicagoSmart Define. 2015. "perfunctory thesaurus" https://smartdefine.org/perfunctory/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, perfunctory thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/perfunctory/thesaurus/synonyms>.
MLASmart Define. "perfunctory thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/perfunctory/thesaurus/synonyms>