7
vicious(adjective, brutal, atrocious, barbaric, barbarous)
5
antihumanitarian(adjective, brutal, atrocious, barbaric, barbarous)
5
barbaric(adjective, brutal, atrocious, barbarous, bestial)
5
bestial(adjective, brutal, atrocious, barbaric, barbarous)
5
brute(adjective, brutal, atrocious, barbaric, barbarous)
5
brutish(adjective, brutal, atrocious, barbaric, barbarous)
5
contemptuous
5
heavy-handed(adjective, brutal, atrocious, barbaric, barbarous)
5
insensate(adjective, brutal, atrocious, barbaric, barbarous)
5
ironhearted(adjective, brutal, atrocious, barbaric, barbarous)
5
malign(adjective, brutal, atrocious, barbaric, barbarous)
5
sadistic(adjective, brutal, atrocious, barbaric, barbarous)
5
selfish(adjective, brutal, atrocious, barbaric, barbarous)
5
stonyhearted(adjective, brutal, atrocious, barbaric, barbarous)
5
unemotional(adjective, brutal, atrocious, barbaric, barbarous)
5
unfriendly(adjective, brutal, atrocious, barbaric, barbarous)
5
virulent(adjective, brutal, atrocious, barbaric, barbarous)
5
wanton(adjective, brutal, atrocious, barbaric, barbarous)
4
evil
4
self-absorbed
10 years ago|3.1k views|share |citing 
APASmart Define. (2016). kindhearted thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/kindhearted/thesaurus/antonyms
ChicagoSmart Define. 2016. "kindhearted thesaurus" https://smartdefine.org/kindhearted/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, kindhearted thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/kindhearted/thesaurus/antonyms>.
MLASmart Define. "kindhearted thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/kindhearted/thesaurus/antonyms>