218 entries under cruel topic. ×

3
intractable(adjective, appearance, hard, severe, rough)
3
revengeful(adjective, mean, evil, nasty, harsh)
3
rigid(adjective, severe, harsh, determined)
3
rigorous(adjective, hard, tough, harsh, unpleasant)
3
surly(adjective, mean, hard, tough, severe)
3
thick-skinned(adjective, hard, tough, severe)
3
unmoved(adjective, cold, unfeeling, unsympathetic)
3
wild(adjective, rude, violent, vicious)
2
aggressive(adjective, nasty, violent, determined)
2
animal(adjective, mean, vicious, fierce)
2
cannibalistic(adjective, animal, mean, violent)
2
distressing(adjective, harsh, unpleasant, vicious)
2
exacting(adjective, hard, tough, severe, rough)
2
killer(adjective, mean, brutal, pitiless)
2
malicious(adjective, animal, mean, nasty, harsh)
2
malign(adjective, animal, mean, vicious)
2
malignant(adjective, animal, mean, violent)
2
perverse(adjective, nasty, wicked, brutal)
2
punitive(adjective, hard, severe, sharp, nasty)
2
stiff(adjective, hard, rough, harsh)
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APASmart Define. (2016). ruthless thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/ruthless/thesaurus/synonyms
ChicagoSmart Define. 2016. "ruthless thesaurus" https://smartdefine.org/ruthless/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, ruthless thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/ruthless/thesaurus/synonyms>.
MLASmart Define. "ruthless thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/ruthless/thesaurus/synonyms>