Synonyms|161Antonyms|108|Broader|1Narrower|2Related|151
3
numbness(noun, unexcitability)
3
objectivity(noun, disregard, interest, lack, apathy)
3
straight face(noun, expression, deadpan)
3
unemotionality
2
insensitivity(noun, disregard, interest, lack, apathy)
2
calmness(noun, unexcitability)
2
carelessness(noun, disregard, interest, lack, apathy)
2
cold-bloodedness(noun, disregard, interest, lack, apathy)
2
distance(noun, aloofness, remoteness)
2
languor
2
patience(noun, stoicism)
2
poker face(noun, expression, deadpan)
2
unfeelingness(noun, indifference, insensitivity, unresponsiveness)
1
alienation(noun, disregard, interest, lack, apathy)
1
anesthesia
1
ataraxy
1
autism
1
boredom
1
callousness(noun, disregard, interest, lack, apathy)
1
chill
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ChicagoSmart Define. 2015. "impassiveness thesaurus" https://smartdefine.org/impassiveness/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, impassiveness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impassiveness/thesaurus/synonyms>.
MLASmart Define. "impassiveness thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/impassiveness/thesaurus/synonyms>