150 entries under indifferent topic. ×

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chill(cool, restrained, reserved, unemotional)
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crass(adjective, hard, unkind, unresponsive)
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deaf(adjective, unsympathetic, inattentive, uninterested)
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delinquent(adjective, careless, sloppy, inattentive)
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derelict(adjective, careless, sloppy, inattentive)
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discinct(adjective, careless, unconcerned, sloppy)
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feckless(adjective, unsympathetic, inattentive, uninterested)
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going through motions(expression, adjective, idiom, weary)
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hard(adjective, unkind, unresponsive, insensitive)
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hardboiled(detached, distant, remote)
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hardhearted(adjective, hard, unkind, unresponsive)
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heartless(adjective, hard, unkind, unresponsive)
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oblivious to(expression, adjective, weary, apathetic)
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obtuse(adjective, hard, unkind, unresponsive)
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reticent(cool, restrained, reserved, unemotional)
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self-centered(adjective, unsympathetic, inattentive, uninterested)
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serene(adjective, calm, cool, relaxed)
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slack(adjective, careless, sloppy, inattentive)
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slipshod(adjective, careless, sloppy, inattentive)
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sloppy(adjective, careless, inattentive, slipshod)
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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>