145 entries under cruel topic. ×

1
dead set on(expression, adjective, idiom, harsh)
1
dog-eat-dog(adjective, mean, hard, severe, harsh)
1
feral(adjective, mean, harsh, violent)
1
forbidding(adjective, appearance, strong, hard, tough)
1
frightful(adjective, appearance, violent, terrible)
1
go for broke(expression, adjective, idiom, harsh)
1
gratuitous(adjective, mean, severe, harsh)
1
hang-tough(adjective, strong, hard, tough, harsh)
1
hang in(expression, adjective, harsh, determined)
1
hardhearted(adjective, mean, hard, severe, harsh)
1
hatchet job(expression, adjective, mean, severe, harsh)
1
hateful(adjective, animal, mean, evil, nasty)
1
having a killer instinct(expression, adjective, idiom, mean, severe)
1
heavy(adjective, strong, hard, tough, harsh)
1
impenitent(adjective, hard, tough, harsh)
1
intolerant(adjective, hard, tough, harsh)
1
iron-fisted(adjective, mean, severe, harsh)
1
ironfisted(adjective, mean, harsh, vicious)
1
lupine(adjective, violent, vicious, fierce)
1
malevolent(adjective, mean, evil, nasty, harsh)
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APASmart Define. (2016). implacable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/implacable/thesaurus/synonyms
ChicagoSmart Define. 2016. "implacable thesaurus" https://smartdefine.org/implacable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, implacable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/implacable/thesaurus/synonyms>.
MLASmart Define. "implacable thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/implacable/thesaurus/synonyms>