101 entries under impassive topic. ×

1
severe(adjective, calm, hard, tough, harsh)
1
steady(adjective, calm, restrained, unconcerned, subdued)
1
stony-eyed(adjective, cool, flat, detached, blank)
1
toneless(adjective, cool, flat, detached, blank)
1
unaffected(adjective, detached, blank, unfeeling)
1
unaltered(adjective, calm, restrained, unconcerned, subdued)
1
unchanged(adjective, calm, restrained, unconcerned, subdued)
1
unconcerned(adjective, calm, indifferent, restrained, detached)
1
undemonstrative(adjective, cool, detached, blank, sober)
1
unexcited(adjective, calm, restrained, detached, unconcerned)
1
unfeeling(adjective, mean, cool, tough, harsh)
1
unimpassioned(adjective, calm, cool, restrained, detached)
1
unimpressed(adjective, calm, restrained, unconcerned, subdued)
1
uninfluenced(adjective, calm, restrained, unconcerned, subdued)
1
unmoved(adjective, calm, restrained, detached, sober)
1
unresponsive(adjective, calm, indifferent, restrained, detached)
1
unruffled(adjective, calm, restrained, detached, unconcerned)
1
unstirred(adjective, calm, restrained, unconcerned, subdued)
1
untouched(adjective, calm, restrained, unconcerned, subdued)
1
with straight face(expression, adjective, idiom, cool, flat)
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APASmart Define. (2011). cold fish thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/cold_fish/thesaurus/synonyms
ChicagoSmart Define. 2011. "cold fish thesaurus" https://smartdefine.org/cold_fish/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2011, cold fish thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/cold_fish/thesaurus/synonyms>.
MLASmart Define. "cold fish thesaurus" 24 May 2011. Web. 25 September 2026. <https://smartdefine.org/cold_fish/thesaurus/synonyms>