63 entries under adjective topic. ×

1
heedless(careless, careful)
1
insensitive(kind, indifferent, considerate, callous)
1
undisturbed(calm, cool)
1
unperturbed(calm, cool)
1
untroubled(calm, cool)
1
unworried(calm, cool, sympathetic)
0
bleak
0
bloodless
0
candid
0
collected(calm, cool)
0
cool
0
dispassionate
0
distant
0
frigid
0
impassive
0
imperturbable
0
inactive
0
inattentive(calm, cool)
0
mild
0
nippy
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APASmart Define. (2016). concerned thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/concerned/thesaurus/antonyms
ChicagoSmart Define. 2016. "concerned thesaurus" https://smartdefine.org/concerned/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, concerned thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/concerned/thesaurus/antonyms>.
MLASmart Define. "concerned thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/concerned/thesaurus/antonyms>