364 entries under adjective topic. ×

15
detached(calm, quiet, cool, relaxed)
15
worry-free(feature, state, trait)
15
negligent(feature, state, calm, cool)
14
careless(feature, state, calm, cool)
14
happy-go-lucky(feature, state, calm, care)
12
cold(calm, cool, temper, relaxed)
12
devil-may-care(feature, state, care, mild)
12
heedless(feature, state, careless, indifferent)
12
imperturbable(calm, cool, relaxed, steady)
12
lackadaisical(calm, cool, temper, relaxed)
12
listless(calm, cool, temper, relaxed)
12
smooth(calm, cool, relaxed, casual)
12
unflappable(calm, cool, relaxed, steady)
12
untroubled(feature, state, calm, cool)
10
carefree(feature, state, calm, care)
10
cold-blooded(cool, temper, cold, negative)
10
collected(calm, cool, mild, relaxed)
10
free and easy(expression, idiom, feature, state)
10
half-hearted(temper, cold, indifferent, negative)
10
neutral(calm, cool, relaxed, cold)
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APASmart Define. (2015). nonchalant thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/nonchalant/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonchalant thesaurus" https://smartdefine.org/nonchalant/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, nonchalant thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/nonchalant/thesaurus/synonyms>.
MLASmart Define. "nonchalant thesaurus" 9 December 2015. Web. 25 September 2026. <https://smartdefine.org/nonchalant/thesaurus/synonyms>