123 entries under impassive topic. ×

7
unsympathetic(adjective, person, cool, indifferent, detached)
6
calm(adjective, quiet, cool, soft, reasonable)
6
emotionless(adjective, cool, indifferent, detached, hostile)
6
subdued(adjective, calm, close, quiet, soft)
5
apathetic(adjective, cool, indifferent, restrained, detached)
5
callous(adjective, calm, cool, indifferent, restrained)
5
cold-blooded(adjective, cool, detached, unfriendly, blank)
5
composed(adjective, calm, close, quiet, cool)
5
glacial(adjective, person, cool, negative, detached)
5
poker-faced(adjective, cool, indifferent, detached, casual)
5
serene(adjective, calm, close, quiet, cool)
5
solemn(adjective, calm, sensible, restrained, modest)
5
staid(adjective, calm, firm, sensible, solid)
5
stoic(adjective, cool, blank, aloof)
4
coldhearted(adjective, person, feelings, detached)
4
impersonal(adjective, cool, indifferent, detached, casual)
4
imperturbable(adjective, calm, cool, firm, sensible)
4
passionless(adjective, cool, detached, unfriendly, blank)
4
steady(adjective, calm, soft, reasonable, moderate)
4
unenthusiastic(adjective, calm, person, cool, indifferent)
10 years ago|36k views|share |citing 
APASmart Define. (2016). reserved thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/reserved/thesaurus/synonyms
ChicagoSmart Define. 2016. "reserved thesaurus" https://smartdefine.org/reserved/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, reserved thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/reserved/thesaurus/synonyms>.
MLASmart Define. "reserved thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/reserved/thesaurus/synonyms>