150 entries under indifferent topic. ×

1
cursory(adjective, cool, careless, relaxed)
1
disinterested neutral(expression, casual, aloof, unemotional)
1
easy(adjective, calm, cool, relaxed)
1
feelingless(adjective, hard, unkind, unresponsive)
1
forbidding(adjective, detached, distant, remote)
1
hard-boiled(adjective, hard, detached, distant)
1
hard-hearted(adjective, detached, weary, distant)
1
hard as nails(expression, adjective, idiom, hard)
1
hardened(adjective, hard, unsympathetic, unkind)
1
haughty(adjective, detached, distant, remote)
1
imperceptive(adjective, hard, unkind, unresponsive)
1
impertinent(adjective, cool, restrained, unfriendly)
1
impudent(adjective, cool, restrained, unfriendly)
1
insolent(adjective, cool, restrained, unfriendly)
1
laid back(expression, adjective, calm, cool, relaxed)
1
lax(adjective, careless, relaxed, apathetic)
1
lone wolf(expression, adjective, detached, distant)
1
loner(adjective, detached, distant, remote)
1
lukewarm(adjective, calm, cool, relaxed)
1
oblivious(adjective, unsympathetic, unresponsive, inattentive)
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APASmart Define. (2015). incurious thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/incurious/thesaurus/synonyms
ChicagoSmart Define. 2015. "incurious thesaurus" https://smartdefine.org/incurious/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, incurious thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/incurious/thesaurus/synonyms>.
MLASmart Define. "incurious thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/incurious/thesaurus/synonyms>