2
heedlessness(noun, disregard, interest, lack, dullness)
2
impassibility(noun, apathy, indifference, inattention, unconcern)
2
imperturbation(noun, calm, quiet, rest, restraint)
2
inactivity(noun, quiet, disregard, dullness, apathy)
2
incuriousness(noun, disregard, feelings, apathy, indifference)
2
inertia(noun, disregard, interest, lack, dullness)
2
objectivity(noun, disregard, interest, lack, apathy)
2
patience(noun, calm, quiet, rest, restraint)
2
reserve(noun, coldness, iciness)
2
restraint(noun, calm, quiet, rest, peace)
2
sluggishness(noun, disregard, dullness, apathy, inactivity)
2
spiritlessness
2
unmindfulness(noun, disregard, interest, lack, dullness)
1
alienation(noun, disregard, interest, lack, apathy)
1
anesthesia
1
aplomb
1
ataraxy
1
autism
1
boredom
1
callousness(noun, disregard, interest, lack, apathy)
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APASmart Define. (2015). impassivity thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/impassivity/thesaurus/synonyms
ChicagoSmart Define. 2015. "impassivity thesaurus" https://smartdefine.org/impassivity/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, impassivity thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/impassivity/thesaurus/synonyms>.
MLASmart Define. "impassivity thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/impassivity/thesaurus/synonyms>