70 entries under unsympathetic topic. ×

10
neutral(adjective, calm, cool, relaxed, cold)
10
unperturbed(adjective, calm, quiet, cool, relaxed)
10
unruffled(adjective, calm, cool, relaxed, indifferent)
8
inattentive(adjective, careless, indifferent, detached, distant)
8
insensitive(adjective, temper, cold, indifferent, negative)
8
unworried(adjective, feature, state, care, indifferent)
7
insensible(adjective, cool, temper, cold, indifferent)
7
passionless(adjective, cool, indifferent, detached, blank)
7
phlegmatic(adjective, calm, quiet, cool, relaxed)
7
unmoved(adjective, calm, cool, temper, cold)
6
blasé(adjective, calm, cool, relaxed, cold)
6
heartless(adjective, cool, indifferent, detached, blank)
6
incurious(adjective, calm, cool, careless, relaxed)
6
unfeeling(adjective, calm, cool, relaxed, indifferent)
5
callous(adjective, cool, indifferent, detached, blank)
5
distant(adjective, indifferent, detached, aloof, apathetic)
5
objective(adjective, indifferent, detached, distant, apathetic)
5
reserved(adjective, cool, indifferent, blank, aloof)
5
stoical(adjective, calm, cool, indifferent, steady)
5
stony(adjective, indifferent, insensitive, inattentive)
10 years ago|19k views|share |citing 
APASmart Define. (2015). nonchalant thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/nonchalant/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonchalant thesaurus" https://smartdefine.org/nonchalant/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, nonchalant thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/nonchalant/thesaurus/synonyms>.
MLASmart Define. "nonchalant thesaurus" 9 December 2015. Web. 1 October 2026. <https://smartdefine.org/nonchalant/thesaurus/synonyms>