146 entries under indifferent topic. ×

4
uninvolved(adjective, calm, detached, aloof)
4
unperturbed(adjective, calm, cool, relaxed)
4
untouched(adjective, calm, cold, restrained)
3
adamant(adjective, cold, steady, fixed)
3
blase(adjective, calm, cool, relaxed, cold)
3
easy(adjective, calm, dull, cool, weak)
3
hardened(adjective, hard, cool, careless)
3
inactive(adjective, dull, quiet, cool, weak)
3
indurated(adjective, hard, cool, careless)
3
insensate(adjective, hard, careless, cold)
3
negligent(adjective, calm, cool, relaxed, cold)
3
supine(adjective, dull, weak, easy, slow)
3
thick-skinned(adjective, calm, hard, cool, careless)
2
blah(adjective, calm, dull, weak, easy)
2
bored(adjective, dull, weary, apathetic)
2
careless(adjective, calm, dull, hard, cool)
2
hard(adjective, careless, cruel, apathetic)
2
heedless(adjective, dull, unsympathetic, sluggish)
2
inattentive(adjective, dull, unsympathetic, sluggish)
2
laid-back(adjective, calm, dull, quiet, cool)
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APASmart Define. (2015). impassive thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/impassive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impassive thesaurus" https://smartdefine.org/impassive/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, impassive thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/impassive/thesaurus/synonyms>.
MLASmart Define. "impassive thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/impassive/thesaurus/synonyms>