116 entries under impassive topic. ×

45
heartless(adjective, mean, feeling, hard, cool)
42
unfeeling(noun, adjective, dull, mean, bad)
41
insensitive(noun, adjective, dull, quiet, mean)
40
cold(adjective, calm, mean, hard, cool)
40
unsympathetic(adjective, quiet, mean, bad, hard)
31
indifferent(adjective, calm, quiet, mean, hard)
25
apathetic(adjective, person, quiet, mean, hard)
24
stony(adjective, person, mean, hard, cool)
23
hard-boiled(noun, adjective, calm, person, mean)
22
hard-hearted(adjective, calm, mean, bad, hard)
22
uncaring(adjective, mean, bad, hard, cool)
20
unemotional(adjective, mean, hard, cool, tough)
19
cool(adjective, calm, mean, hard, unpleasant)
19
obdurate(adjective, person, mean, hard, cool)
16
thick-skinned(noun, adjective, calm, mean, hard)
16
uncompassionate(adjective, person, mean, hard, cool)
16
emotionless(adjective, bad, cool, cold, indifferent)
16
unresponsive(adjective, calm, person, quiet, mean)
14
unconcerned(adjective, calm, mean, hard, cool)
13
impervious(noun, adjective, calm, bad, cold)
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APASmart Define. (2016). callous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/callous/thesaurus/synonyms
ChicagoSmart Define. 2016. "callous thesaurus" https://smartdefine.org/callous/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, callous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/callous/thesaurus/synonyms>.
MLASmart Define. "callous thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/callous/thesaurus/synonyms>