89 entries under nonchalant topic. ×

5
inattentive(noun, adjective, indifferent, distant, apathetic)
5
insensible(adjective, indifferent, feelings, unfeeling, unconcerned)
5
stony(adjective, indifferent, unfriendly, unsympathetic, unemotional)
4
blithe(adjective, indifferent, unsympathetic, inattentive, uninterested)
4
lukewarm(adjective, calm, cool, relaxed, indifferent)
4
negligent(noun, adjective, calm, cool, relaxed)
4
philosophical(adjective, calm, quiet, relaxed, casual)
4
relaxed(verb, adjective, calm, quiet, clear)
4
self-controlled(adjective, calm, quiet, cool, relaxed)
4
self-possessed(adjective, calm, quiet, cool, moderate)
3
hard-hearted(adjective, person, hard, indifferent, feelings)
3
hardened(adjective, indifferent, unfeeling, unsympathetic, pitiless)
3
lackadaisical(adjective, calm, cool, relaxed, indifferent)
3
level-headed(adjective, calm, casual, unruffled)
3
unmoved(adjective, calm, quiet, cool, moderate)
2
blase(calm, cool, relaxed, indifferent, casual)
2
easy(adjective, calm, cool, relaxed, indifferent)
2
perfunctory(adjective, cool, relaxed, indifferent, casual)
2
pococurante(adjective, cool, informal, relaxed, easygoing)
2
quiet(adjective, calm, cool, mild, relaxed)
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APASmart Define. (2016). detached thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/detached/thesaurus/synonyms
ChicagoSmart Define. 2016. "detached thesaurus" https://smartdefine.org/detached/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, detached thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/detached/thesaurus/synonyms>.
MLASmart Define. "detached thesaurus" 23 March 2016. Web. 27 September 2026. <https://smartdefine.org/detached/thesaurus/synonyms>