476 entries under adjective topic. ×

2
temperate(calm, quiet, cool, moderate)
2
torpid(dull, hard, weak, easy)
2
unagitated(calm, quiet, relaxed, restrained)
2
uncompassionate(calm, hard, careless, indifferent)
2
unenthusiastic(calm, dull, weak, easy)
2
unmoving(still, lifeless, inactive, passive)
2
unreactive
2
unshaken(cold, indifferent, unyielding)
2
unstirred(calm, cold, indifferent, restrained)
2
untroubled(calm, quiet, cool, moderate)
2
weak(dull, easy, slow, relaxed)
2
weary(dull, weak, easy, slow)
2
withdrawn(indifferent, restrained, aloof, weary)
1
along for the ride(expression, idiom, calm, detached)
1
amiable(quiet, cool, moderate, gentle)
1
amicable(quiet, cool, moderate, gentle)
1
asleep(still, dead, lifeless, inactive)
1
blind to(verb, expression, phrasal verb, hard)
1
case-hardened(hard, careless, indifferent, cruel)
1
casual(calm, cool, relaxed, indifferent)
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APASmart Define. (2015). impassive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/impassive/thesaurus/synonyms
ChicagoSmart Define. 2015. "impassive thesaurus" https://smartdefine.org/impassive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, impassive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/impassive/thesaurus/synonyms>.
MLASmart Define. "impassive thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/impassive/thesaurus/synonyms>