145 entries under pitiless topic. ×

4
numb(adjective, hard, tough, severe, cold)
4
rancorous(adjective, mean, evil, nasty, harsh)
4
unappeasable(adjective, mean, severe, harsh, cruel)
4
uncaring(adjective, hard, tough, severe, harsh)
4
violent(adjective, hard, rough, nasty, harsh)
3
compassionless(adjective, mean, hard, severe, harsh)
3
revengeful(adjective, mean, evil, nasty, harsh)
3
surly(adjective, mean, hard, tough, severe)
3
thick-skinned(adjective, hard, tough, severe, cruel)
3
unmoved(adjective, cold, cruel, unfeeling, unsympathetic)
2
animal(adjective, mean, cruel, vicious, fierce)
2
depraved(adjective, evil, nasty, harsh, corrupt)
2
evil(adjective, mean, nasty, harsh, corrupt)
2
exacting(adjective, hard, tough, severe, rough)
2
killer(adjective, mean, cruel, brutal)
2
malicious(adjective, animal, mean, nasty, harsh)
2
sinful(adjective, evil, nasty, harsh, corrupt)
2
spiteful(adjective, mean, evil, nasty, harsh)
2
uncivilized(adjective, rude, violent, cruel, vicious)
2
unfriendly(adjective, cruel, unfeeling, unsympathetic)
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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>