Synonyms|551Antonyms|222|Broader|12Narrower|11Related|1k
2
sophisticated(adjective, cool, indifferent, apathetic)
2
spiritless(adjective, cool, blank, aloof, unemotional)
2
sprightly(adjective, feature, state, trait)
2
stress free(state, behavior)
2
sunny(adjective, feature, state, trait, casual)
2
superficial
2
sure of oneself(expression, adjective, idiom, calm, relaxed)
2
temperate(adjective, calm, quiet, relaxed, tranquil)
2
tolerant(adjective, feature, state, mild, relaxed)
2
tough(adjective, insensitive)
2
unaffected(adjective, calm, cool, temper, cold)
2
uncurious
2
unheeding(casual, happy-go-lucky, slapdash)
2
uninvolved(adjective, indifferent, detached, aloof, distant)
2
withdrawn(cool, informal, relaxed, easygoing, laid-back)
1
acquiescent
1
blithely unconcerned
1
blithesome(adjective, feature, state, trait)
1
bouncy(adjective, feature, state, trait)
1
bubbly(adjective, feature, state, trait)
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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>