100 entries under pitiless topic. ×

5
fierce(adjective, animal, mean, hard, tough)
5
harsh(adjective, mean, hard, tough, severe)
5
stony(adjective, mean, hard, harsh, cold)
4
brute(adjective, rough, violent, cruel, vicious)
4
cutthroat(adjective, mean, hard, severe, harsh)
4
demoniac(adjective, evil, nasty, harsh, violent)
4
dog-eat-dog(adjective, mean, hard, severe, harsh)
4
unpitying(adjective, mean, severe, harsh, cruel)
4
vengeful(adjective, severe, evil, nasty, harsh)
4
wanton(adjective, mean, severe, harsh, cruel)
3
implacable(adjective, animal, mean, hard, tough)
3
rough(adjective, rude, violent, cruel, vicious)
3
unsparing(adjective, person, mean, severe, harsh)
2
animal(adjective, mean, rough, cruel, vicious)
2
brutish(adjective, evil, rough, nasty, harsh)
2
evil(adjective, nasty, harsh, vicious, wicked)
2
feral(adjective, rough, violent, cruel, vicious)
2
nasty(adjective, mean, evil, negative, ill)
2
painful(adjective, evil, nasty, harsh, vicious)
2
relentless(adjective, animal, mean, hard, tough)
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APASmart Define. (2016). inhumane thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inhumane/thesaurus/synonyms
ChicagoSmart Define. 2016. "inhumane thesaurus" https://smartdefine.org/inhumane/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, inhumane thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inhumane/thesaurus/synonyms>.
MLASmart Define. "inhumane thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/inhumane/thesaurus/synonyms>