73 entries under brutal topic. ×

15
stony(adjective, person, mean, hard, tough)
15
vicious(adjective, mean, hard, evil, rough)
14
barbaric(adjective, rough, violent, cruel, vicious)
14
cold-blooded(adjective, person, mean, hard, tough)
14
ferocious(adjective, mean, hard, evil, rough)
14
fierce(adjective, mean, hard, tough, evil)
14
severe(adjective, appearance, mean, hard, tough)
13
implacable(adjective, appearance, mean, hard, tough)
13
relentless(adjective, appearance, mean, hard, tough)
12
cutthroat(adjective, mean, harsh, cruel, vicious)
12
inexorable(adjective, appearance, mean, hard, tough)
12
mean(adjective, person, evil, nasty, difficult)
12
unyielding(adjective, appearance, mean, hard, tough)
11
grim(adjective, appearance, mean, hard, tough)
11
vindictive(adjective, person, mean, hard, tough)
10
hardhearted(adjective, mean, hard, cold, cruel)
10
malevolent(adjective, mean, evil, nasty, harsh)
10
obdurate(adjective, person, mean, hard, tough)
10
stern(adjective, person, appearance, mean, hard)
9
dog-eat-dog(adjective, mean, hard, harsh, cruel)
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APASmart Define. (2016). merciless thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/merciless/thesaurus/synonyms
ChicagoSmart Define. 2016. "merciless thesaurus" https://smartdefine.org/merciless/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, merciless thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/merciless/thesaurus/synonyms>.
MLASmart Define. "merciless thesaurus" 31 March 2016. Web. 30 September 2026. <https://smartdefine.org/merciless/thesaurus/synonyms>