188 entries under harsh topic. ×

2
undeviating(adjective, severe, solid, cruel)
2
unpitying(adjective, mean, severe, cruel)
2
vindictive(adjective, mean, hard, tough, severe)
1
antagonistic(adjective, tough, cruel, grim)
1
avaricious(adjective, hard, tough, cruel)
1
bloodthirsty(adjective, severe, evil, nasty)
1
bloody(adjective, hard, tough, violent)
1
bullhead(adjective, mean, hard, tough)
1
cold-blooded(adjective, mean, tough, evil, nasty)
1
cold fish(expression, adjective, mean, hard, tough)
1
compassionless(adjective, mean, hard, severe)
1
cutthroat(adjective, mean, severe, cruel)
1
dead set on(expression, adjective, idiom, cruel)
1
degenerate(adjective, evil, nasty, vicious)
1
demoniac(adjective, evil, nasty, violent)
1
depraved(adjective, evil, nasty, vicious)
1
destructive(adjective, violent, cruel, vicious)
1
devilish(adjective, animal, mean, violent)
1
diabolical(adjective, animal, mean, violent)
1
disciplinary(adjective, strong, hard, tough, severe)
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APASmart Define. (2015). unrelenting thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unrelenting/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrelenting thesaurus" https://smartdefine.org/unrelenting/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unrelenting thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unrelenting/thesaurus/synonyms>.
MLASmart Define. "unrelenting thesaurus" 3 August 2015. Web. 29 September 2026. <https://smartdefine.org/unrelenting/thesaurus/synonyms>