45 entries under impassive topic. ×

3
stoic(adjective, calm, unemotional, laid-back)
2
coldhearted(adjective, hard, cold, indifferent, detached)
2
glacial(adjective, person, feelings, detached)
2
phlegmatic(adjective, calm, detached, unemotional)
2
thick-skinned(adjective, mean, hard, tough, severe)
1
along for the ride(expression, adjective, idiom, calm, dull)
1
blah(adjective, calm, dull, flat, detached)
1
chill(adjective, detached, unresponsive, laid-back)
1
deadpan(adjective, calm, dull, flat, detached)
1
flat(adjective, calm, dull, detached)
1
going with the flow(expression, adjective, idiom, detached)
1
laid-back(adjective, detached, unresponsive, reticent)
1
listless(adjective, calm, dull, flat, detached)
1
marble(adjective, detached, unresponsive, insensitive)
1
not responsive(expression, adjective, detached, unresponsive)
1
quiet(adjective, detached, unresponsive, laid-back)
1
reserved(adjective, detached, unresponsive, laid-back)
1
undemonstrative(adjective, calm, dull, flat, detached)
1
unexcitable(adjective, calm, dull, flat, detached)
1
unimpressionable(adjective, hard, careless, indifferent, cruel)
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APASmart Define. (2016). uncompassionate thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/uncompassionate/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncompassionate thesaurus" https://smartdefine.org/uncompassionate/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, uncompassionate thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/uncompassionate/thesaurus/synonyms>.
MLASmart Define. "uncompassionate thesaurus" 31 March 2016. Web. 30 September 2026. <https://smartdefine.org/uncompassionate/thesaurus/synonyms>