146 entries under indifferent topic. ×

8
neutral(adjective, calm, quiet, cool, moderate)
8
spiritless(adjective, dull, hard, cool, weak)
7
inert(adjective, dull, weak, moving, easy)
7
languid(adjective, dull, weak, easy, slow)
7
passive(adjective, calm, dull, still)
7
staid(adjective, calm, restrained, aloof)
7
stony(adjective, hard, careless, cold)
7
unimpressionable(adjective, hard, careless, cruel)
7
unruffled(adjective, calm, quiet, cool, moderate)
7
unsusceptible(adjective, hard, careless, cruel)
7
unsympathetic(adjective, hard, careless, cruel)
6
impersonal(adjective, calm, cool, tough, temper)
6
insentient(adjective, hard, careless, cold)
6
undisturbed(adjective, quiet, cool, moderate, gentle)
5
distant(adjective, cool, restrained, detached)
5
hard-hearted(adjective, calm, restrained, detached)
5
lukewarm(adjective, calm, cool, temper, relaxed)
5
soulless(adjective, hard, careless, cruel)
4
objective(adjective, calm, tough, rational)
4
remote(adjective, cool, restrained, detached)
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APASmart Define. (2015). impassive thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/impassive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impassive thesaurus" https://smartdefine.org/impassive/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, impassive thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/impassive/thesaurus/synonyms>.
MLASmart Define. "impassive thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/impassive/thesaurus/synonyms>