364 entries under adjective topic. ×

6
unexcited(calm, quiet, cool, relaxed)
6
unfeeling(calm, cool, relaxed, indifferent)
5
callous(cool, indifferent, detached, blank)
5
apathetical(temper, cold, negative, dead)
5
at ease(expression, calm, relaxed, tranquil)
5
distant(indifferent, detached, aloof, apathetic)
5
impersonal(temper, cold, negative, dead)
5
inscrutable(cool, blank, aloof, unemotional)
5
irresponsible(feature, state, trait, casual)
5
laid-back(feature, state, calm, cool)
5
languid(feature, state, trait)
5
objective(indifferent, detached, distant, apathetic)
5
reserved(cool, indifferent, blank, aloof)
5
stoical(calm, cool, indifferent, steady)
5
stony(indifferent, unsympathetic, insensitive, inattentive)
5
suave
5
tepid(temper, cold, negative, behave)
5
unsympathetic(indifferent, detached, distant, apathetic)
4
cheerful(feature, state, trait)
4
daring
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APASmart Define. (2015). nonchalant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/nonchalant/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonchalant thesaurus" https://smartdefine.org/nonchalant/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, nonchalant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/nonchalant/thesaurus/synonyms>.
MLASmart Define. "nonchalant thesaurus" 9 December 2015. Web. 26 September 2026. <https://smartdefine.org/nonchalant/thesaurus/synonyms>