945 entries under adjective topic. ×

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insentient(hard, careless, cold, cruel)
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insignificant(dull, slight, lower, value)
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laggard(dull, careless, heavy, idle)
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lost(careless, cold, dead, apathy)
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lymphatic(weak, heavy, still, sluggish)
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matter-of-fact(calm, dull, cool, cold)
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medium(dull, reasonable, sensible, restrained)
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minor(slight, lower, value, inferior)
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rash(unconcerned, unkind, uncaring, reckless)
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resigned(calm, quiet, cool, apathetic)
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second-rate(mean, bad, simple, slight)
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serene(feature, state, calm, cool)
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unbiassed
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unexcited(calm, cool, relaxed, restrained)
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unheeding(sharp, rude, careless, short)
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unimpressed(calm, dull, restrained, boring)
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unremarkable(good, dull, simple, plain)
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untroubled(feature, state, calm, cool)
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unwilling(unresponsive, unenthusiastic, oblivious, lukewarm)
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unworried(feature, state, trait, unsympathetic)
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APASmart Define. (2016). indifferent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/indifferent/thesaurus/synonyms
ChicagoSmart Define. 2016. "indifferent thesaurus" https://smartdefine.org/indifferent/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, indifferent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/indifferent/thesaurus/synonyms>.
MLASmart Define. "indifferent thesaurus" 23 March 2016. Web. 27 September 2026. <https://smartdefine.org/indifferent/thesaurus/synonyms>