112 entries under mean topic. ×

9
dog-eat-dog(adjective, severe, harsh, cruel)
9
fell(adjective, animal, harsh, violent)
9
feral(adjective, violent, cruel, vicious)
9
hardhearted(adjective, severe, harsh, cold)
9
obdurate(adjective, hard, tough, severe)
9
stony(adjective, hard, tough, severe)
8
indifferent(adjective, hard, harsh, cold)
7
mortal(adjective, severe, harsh, cruel)
7
vindictive(adjective, hard, tough, severe)
6
unflinching(adjective, strong, severe, harsh)
6
unsparing(adjective, severe, harsh, cruel)
5
malevolent(adjective, evil, nasty, harsh)
4
adamant(adjective, hard, rough, harsh)
4
coldhearted(adjective, hard, severe, harsh)
4
nasty(adjective, hard, severe, sharp)
4
rancorous(adjective, evil, nasty, harsh)
4
truculent(adjective, animal, appearance, harsh)
4
unappeasable(adjective, severe, harsh, cruel)
3
austere(adjective, appearance, strong, hard)
3
compassionless(adjective, hard, severe, harsh)
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APASmart Define. (2016). ruthless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ruthless/thesaurus/synonyms
ChicagoSmart Define. 2016. "ruthless thesaurus" https://smartdefine.org/ruthless/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, ruthless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ruthless/thesaurus/synonyms>.
MLASmart Define. "ruthless thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/ruthless/thesaurus/synonyms>