80 entries under unkind topic. ×

6
antagonistic(adjective, person, tough, harsh, cruel)
6
grim(adjective, person, mean, tough, harsh)
6
harsh(adjective, mean, hard, cool, tough)
6
hateful(adjective, person, mean, evil, nasty)
6
malicious(adjective, person, mean, nasty, harsh)
6
mean(adjective, person, hard, cool, nasty)
6
spiteful(adjective, person, mean, evil, nasty)
6
unnatural(adjective, evil, nasty, harsh, vicious)
6
vindictive(adjective, person, mean, nasty, harsh)
5
thick-skinned(adjective, hard, cool, tough, severe)
3
atrocious(adjective, evil, nasty, harsh, violent)
3
bestial(adjective, mean, evil, nasty, harsh)
3
ferocious(adjective, mean, evil, nasty, harsh)
3
fierce(adjective, mean, evil, nasty, harsh)
3
relentless(adjective, mean, hard, evil, nasty)
3
remorseless(adjective, mean, hard, harsh, violent)
3
sadistic(adjective, mean, evil, nasty, harsh)
3
strict(adjective, tough, harsh, cruel, grim)
2
bloodthirsty(adjective, evil, nasty, harsh, violent)
2
brutish(adjective, hard, evil, nasty, harsh)
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APASmart Define. (2016). cold-blooded thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/cold-blooded/thesaurus/synonyms
ChicagoSmart Define. 2016. "cold-blooded thesaurus" https://smartdefine.org/cold-blooded/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, cold-blooded thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/cold-blooded/thesaurus/synonyms>.
MLASmart Define. "cold-blooded thesaurus" 23 March 2016. Web. 24 September 2026. <https://smartdefine.org/cold-blooded/thesaurus/synonyms>