116 entries under impassive topic. ×

1
listless(adjective, dull, quiet, flat, heavy)
1
not influenced(expression, adjective, calm, restrained, unconcerned)
1
not responsive(expression, adjective, detached, unresponsive)
1
poker-faced(adjective, cool, detached, blank, aloof)
1
practical(adjective, calm, restrained, sophisticated, cunning)
1
proof(adjective, calm, restrained, unconcerned, subdued)
1
quiet(adjective, calm, dull, flat, heavy)
1
reticent(adjective, cool, detached, unfriendly, blank)
1
rolling with the punches(expression, adjective, idiom, detached)
1
sedate(adjective, calm, cool, restrained, blank)
1
serene(adjective, calm, cool, indifferent, restrained)
1
serious(adjective, calm, restrained, subdued)
1
steady(adjective, calm, restrained, unconcerned, subdued)
1
stoical(adjective, cool, cold, indifferent, detached)
1
unaltered(adjective, calm, restrained, unconcerned, subdued)
1
undemonstrative(adjective, detached, unfriendly, unemotional)
1
unexcitable(adjective, cool, detached, blank, aloof)
1
unexcited(adjective, calm, restrained, unconcerned, subdued)
1
unimpressed(adjective, calm, indifferent, restrained, detached)
1
uninfluenced(adjective, calm, restrained, unconcerned, subdued)
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APASmart Define. (2016). callous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/callous/thesaurus/synonyms
ChicagoSmart Define. 2016. "callous thesaurus" https://smartdefine.org/callous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, callous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/callous/thesaurus/synonyms>.
MLASmart Define. "callous thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/callous/thesaurus/synonyms>