83 entries under impassive topic. ×

8
lukewarm(adjective, calm, mean, hard, cool)
8
unimpressed(adjective, calm, dull, quiet, cool)
7
composed(adjective, calm, quiet, cool, moderate)
7
emotionless(adjective, cool, attitude, cold, indifferent)
7
quiet(adjective, calm, cool, restrained, still)
7
resolute(adjective, cold, indifferent, unaffected)
7
serene(adjective, calm, quiet, cool, moderate)
7
unexcited(adjective, calm, quiet, cool, moderate)
6
impervious(adjective, calm, indifferent, restrained, detached)
6
stoical(adjective, calm, cool, cold, indifferent)
5
hard-hearted(adjective, calm, cold, indifferent, cruel)
5
unenthusiastic(adjective, calm, dull, cool, flat)
4
impassible(adjective, temper, cold, negative)
4
tepid(adjective, calm, temper, cold, indifferent)
4
unaltered(adjective, calm, wild, restrained, unconcerned)
4
unchanged(adjective, calm, wild, restrained, unconcerned)
4
uninfluenced(adjective, calm, restrained, unconcerned, subdued)
3
laid-back(adjective, calm, quiet, cool, moderate)
3
pacific(adjective, calm, quiet, cool, restrained)
3
reserved(adjective, calm, cool, indifferent, restrained)
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APASmart Define. (2015). unmoved thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unmoved/thesaurus/synonyms
ChicagoSmart Define. 2015. "unmoved thesaurus" https://smartdefine.org/unmoved/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unmoved thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unmoved/thesaurus/synonyms>.
MLASmart Define. "unmoved thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unmoved/thesaurus/synonyms>