45 entries under impassive topic. ×

22
unfeeling(adjective, animal, calm, dull, mean)
20
unsympathetic(adjective, animal, mean, hard, cool)
18
callous(adjective, person, mean, hard, cool)
15
heartless(adjective, mean, feeling, hard, cool)
13
insensitive(adjective, mean, hard, cool, tough)
13
unemotional(adjective, calm, dull, mean, hard)
12
hard-boiled(adjective, person, mean, hard, careless)
11
indifferent(adjective, calm, dull, mean, hard)
10
apathetic(adjective, calm, person, dull, mean)
10
obdurate(adjective, person, mean, hard, cool)
9
cold(adjective, calm, dull, mean, hard)
9
cool(adjective, calm, dull, mean, hard)
7
hard-hearted(adjective, mean, hard, tough, severe)
6
dispassionate(adjective, calm, dull, flat, cold)
6
unresponsive(adjective, calm, person, dull, mean)
5
detached(adjective, unfeeling, unsympathetic, unresponsive)
4
emotionless(adjective, calm, dull, flat, detached)
4
objective(adjective, detached, unresponsive, insensitive)
4
passionless(adjective, calm, dull, flat, detached)
3
frigid(adjective, calm, dull, mean, hard)
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APASmart Define. (2016). uncompassionate thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/uncompassionate/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncompassionate thesaurus" https://smartdefine.org/uncompassionate/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, uncompassionate thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/uncompassionate/thesaurus/synonyms>.
MLASmart Define. "uncompassionate thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/uncompassionate/thesaurus/synonyms>