493 entries under adjective topic. ×

10
bestial(animal, mean, severe, evil)
9
murderous(hard, tough, harsh, violent)
9
beastly(mean, violent, cruel, vicious)
9
cold(mean, hard, tough, severe)
9
cutthroat(mean, severe, harsh, cruel)
9
dog-eat-dog(mean, severe, harsh, cruel)
9
fell(animal, mean, harsh, violent)
9
feral(mean, violent, cruel, vicious)
9
hardhearted(mean, severe, harsh, cold)
9
hellish(evil, nasty, harsh, violent)
9
obdurate(mean, hard, tough, severe)
9
stony(mean, hard, tough, severe)
9
stony-hearted(cold, cruel, unfeeling, unsympathetic)
8
indifferent(mean, hard, harsh, cold)
8
mean(verb, animal, hard, severe)
8
monstrous(severe, evil, nasty, harsh)
8
unbending(hard, rough, harsh, cruel)
8
uncompromising(hard, rough, harsh, cruel)
7
atrocious(evil, nasty, harsh, rude)
7
bloody(hard, tough, harsh, violent)
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APASmart Define. (2016). ruthless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ruthless/thesaurus/synonyms
ChicagoSmart Define. 2016. "ruthless thesaurus" https://smartdefine.org/ruthless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, ruthless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ruthless/thesaurus/synonyms>.
MLASmart Define. "ruthless thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/ruthless/thesaurus/synonyms>