93 entries under pitiless topic. ×

3
fierce(adjective, animal, mean, hard, tough)
3
vicious(adjective, mean, evil, nasty, harsh)
2
bestial(adjective, animal, mean, severe, evil)
2
cold(adjective, close, mean, strong, hard)
2
ferocious(adjective, animal, mean, evil, nasty)
2
inhumane(adjective, animal, mean, hard, tough)
2
malevolent(adjective, mean, evil, nasty, harsh)
2
mean(adjective, animal, hard, severe, nasty)
2
tyrannical(adjective, hard, tough, evil, nasty)
2
unpitying(adjective, mean, severe, harsh, cruel)
2
vindictive(adjective, mean, hard, tough, severe)
1
bloodthirsty(adjective, severe, evil, nasty, harsh)
1
cold-blooded(adjective, mean, tough, evil, nasty)
1
compassionless(adjective, mean, hard, severe, harsh)
1
cutthroat(adjective, mean, severe, harsh, cruel)
1
degenerate(adjective, evil, nasty, harsh, vicious)
1
demoniac(adjective, evil, nasty, harsh, violent)
1
depraved(adjective, evil, nasty, harsh, vicious)
1
dog-eat-dog(adjective, mean, severe, harsh, cruel)
1
evil(adjective, nasty, harsh, vicious, wicked)
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APASmart Define. (2015). unrelenting thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unrelenting/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrelenting thesaurus" https://smartdefine.org/unrelenting/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unrelenting thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unrelenting/thesaurus/synonyms>.
MLASmart Define. "unrelenting thesaurus" 3 August 2015. Web. 27 September 2026. <https://smartdefine.org/unrelenting/thesaurus/synonyms>