22
harsh(adjective, brutal, atrocious, barbaric, barbarous)
20
unkind(adjective, brutal, atrocious, barbaric, barbarous)
19
cruel(adjective, brutal, atrocious, barbaric, barbarous)
19
atrocious(adjective, brutal, barbaric, barbarous, bestial)
18
unsympathetic(adjective, mean, brutal, atrocious, barbaric)
13
nasty(adjective, mean, brutal, atrocious, barbaric)
12
heartless(adjective, brutal, atrocious, barbaric, barbarous)
12
unfeeling(adjective, brutal, atrocious, barbaric, barbarous)
12
cold-blooded(adjective, brutal, atrocious, barbaric, barbarous)
12
insensitive(adjective, brutal, atrocious, barbaric, barbarous)
12
uncaring(adjective, brutal, atrocious, barbaric, barbarous)
11
callous(adjective, brutal, atrocious, barbaric, barbarous)
11
cold(adjective, brutal, atrocious, barbaric, barbarous)
11
hard-hearted(adjective, brutal, atrocious, barbaric, barbarous)
10
brutal(adjective, atrocious, barbaric, barbarous, bestial)
10
spiteful(adjective, brutal, atrocious, barbaric, barbarous)
10
fiendish(adjective, brutal, atrocious, barbaric, barbarous)
10
grim(adjective, brutal, atrocious, barbaric, barbarous)
10
inhuman(adjective, brutal, atrocious, barbaric, barbarous)
10
malicious(adjective, brutal, atrocious, barbaric, barbarous)
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APASmart Define. (2016). kindhearted thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/kindhearted/thesaurus/antonyms
ChicagoSmart Define. 2016. "kindhearted thesaurus" https://smartdefine.org/kindhearted/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, kindhearted thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/kindhearted/thesaurus/antonyms>.
MLASmart Define. "kindhearted thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/kindhearted/thesaurus/antonyms>