604 entries under adjective topic. ×

45
heartless(mean, feeling, hard, cool)
42
unfeeling(noun, dull, mean, bad)
41
insensitive(noun, dull, quiet, mean)
40
cold(calm, mean, hard, cool)
40
unsympathetic(quiet, mean, bad, hard)
37
hard(mean, hard, cool, tough)
32
insensible(quiet, bad, hard, cool)
31
indifferent(calm, quiet, mean, hard)
30
cruel(mean, hard, cool, tough)
26
cold-blooded(person, mean, bad, hard)
25
ruthless(mean, hard, tough, severe)
25
apathetic(person, quiet, mean, hard)
25
tough(noun, mean, hard, cool)
24
stony(person, mean, hard, cool)
23
hard-boiled(noun, calm, person, mean)
22
hard-hearted(calm, mean, bad, hard)
22
uncaring(mean, bad, hard, cool)
21
hardened(noun, person, hard, cool)
20
unemotional(mean, hard, cool, tough)
19
cool(calm, mean, hard, unpleasant)
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APASmart Define. (2016). callous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/callous/thesaurus/synonyms
ChicagoSmart Define. 2016. "callous thesaurus" https://smartdefine.org/callous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, callous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/callous/thesaurus/synonyms>.
MLASmart Define. "callous thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/callous/thesaurus/synonyms>