142 entries under impassive topic. ×

10
uncompassionate(adjective, calm, dull, mean, hard)
9
calm(adjective, feature, state, cool, reasonable)
9
slow(adjective, dull, weak, easy, careless)
9
unaffected(adjective, hard, temper, careless, cold)
8
reserved(adjective, calm, person, cool, reasonable)
8
stoical(adjective, calm, cool, cold, restrained)
7
chill(adjective, cool, restrained, detached, unfriendly)
7
hard-boiled(adjective, calm, hard, careless, cold)
7
imperturbable(adjective, calm, cool, relaxed, restrained)
7
laid-back(adjective, feature, state, calm, dull)
7
oblivious(noun, adjective, soft, careless, cold)
7
thick-skinned(adjective, calm, hard, cool, careless)
7
uninfluenced(adjective, calm, restrained, subdued)
7
untouched(adjective, calm, mean, hard, cool)
6
coldhearted(adjective, person, mean, hard, harsh)
6
glacial(adjective, cool, detached, hostile, unfriendly)
6
impervious(adjective, calm, restrained, detached, apathetic)
6
laid back(expression, adjective, feature, state, calm)
6
undemonstrative(adjective, calm, dull, cool, flat)
5
dry(adjective, calm, dull, cool, cold)
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APASmart Define. (2016). indifferent thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/indifferent/thesaurus/synonyms
ChicagoSmart Define. 2016. "indifferent thesaurus" https://smartdefine.org/indifferent/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, indifferent thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/indifferent/thesaurus/synonyms>.
MLASmart Define. "indifferent thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/indifferent/thesaurus/synonyms>