116 entries under impassive topic. ×

12
dispassionate(adjective, calm, cool, cold, indifferent)
12
insensate(noun, adjective, bad, hard, tough)
11
aloof(adjective, calm, mean, hard, cool)
10
frigid(adjective, mean, hard, cool, harsh)
10
severe(adjective, calm, mean, hard, tough)
9
unmoved(adjective, calm, mean, hard, cool)
8
firm(verb, adjective, close, set, fix)
8
impassible(adjective, quiet, bad, cold, indifferent)
7
coldhearted(adjective, hard, cold, indifferent, detached)
7
detached(adjective, indifferent, unfriendly, distant, apathetic)
6
adamant(adjective, person, mean, hard, rough)
6
unaffected(adjective, hard, cold, indifferent, cruel)
5
chill(adjective, bad, cold, detached, aloof)
5
marble(adjective, bad, cold, detached, aloof)
5
reserved(adjective, calm, cool, indifferent, restrained)
5
unyielding(adjective, mean, hard, severe, rough)
4
objective(adjective, indifferent, detached, distant, apathetic)
4
oblivious(adjective, cold, indifferent, senseless, unsympathetic)
4
passionless(adjective, quiet, cool, indifferent, detached)
4
untouched(adjective, calm, mean, hard, cool)
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APASmart Define. (2016). callous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/callous/thesaurus/synonyms
ChicagoSmart Define. 2016. "callous thesaurus" https://smartdefine.org/callous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, callous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/callous/thesaurus/synonyms>.
MLASmart Define. "callous thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/callous/thesaurus/synonyms>