167 entries under casual topic. ×

14
negligent(noun, adjective, feature, state, calm)
14
unfeeling(adjective, calm, mean, hard, cool)
13
distant(adjective, cool, cold, indifferent, detached)
13
lukewarm(adjective, calm, mean, hard, cool)
13
perfunctory(adjective, relaxed, cold, indifferent, detached)
12
unmindful(noun, adjective, sharp, rude, careless)
11
calm(adjective, feature, state, quiet, cool)
11
stolid(adjective, calm, cool, indifferent, feelings)
11
thoughtless(adjective, feature, state, sharp, rude)
11
uninvolved(adjective, calm, concern, attitude, indifferent)
10
devil-may-care(adjective, feature, state, careless, trait)
10
easy(adjective, feature, state, calm, dull)
10
offhand(adjective, calm, cool, mild, careless)
10
untroubled(adjective, feature, state, calm, quiet)
9
carefree(adjective, feature, state, calm, mild)
9
happy-go-lucky(adjective, feature, state, mild, careless)
9
neutral(adjective, calm, quiet, cool, moderate)
8
blithe(adjective, feature, state, indifferent, trait)
8
inconsiderate(adjective, sharp, rude, careless, indifferent)
8
oblivious(noun, adjective, indifferent, sloppy)
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APASmart Define. (2015). unconcerned thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unconcerned/thesaurus/synonyms
ChicagoSmart Define. 2015. "unconcerned thesaurus" https://smartdefine.org/unconcerned/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unconcerned thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unconcerned/thesaurus/synonyms>.
MLASmart Define. "unconcerned thesaurus" 22 October 2015. Web. 30 September 2026. <https://smartdefine.org/unconcerned/thesaurus/synonyms>