439 entries under adjective topic. ×

16
remorseless(mean, kind, severe, harsh)
16
unpitying(noun, mean, severe, harsh)
15
stony(person, mean, hard, tough)
15
vicious(mean, hard, evil, rough)
14
barbaric(rough, violent, cruel, vicious)
14
cold-blooded(person, mean, hard, tough)
14
ferocious(mean, hard, evil, rough)
14
fierce(mean, hard, tough, evil)
14
severe(appearance, mean, hard, tough)
13
implacable(appearance, mean, hard, tough)
13
relentless(appearance, mean, hard, tough)
12
brutish(hard, evil, nasty, harsh)
12
cutthroat(mean, harsh, cruel, vicious)
12
inexorable(appearance, mean, hard, tough)
12
mean(person, evil, nasty, difficult)
12
unyielding(appearance, mean, hard, tough)
11
bloodthirsty(severe, evil, nasty, harsh)
11
grim(appearance, mean, hard, tough)
11
insensitive(hard, tough, severe, harsh)
11
vindictive(person, mean, hard, tough)
10 years ago|15k views|share |citing 
APASmart Define. (2016). merciless thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/merciless/thesaurus/synonyms
ChicagoSmart Define. 2016. "merciless thesaurus" https://smartdefine.org/merciless/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, merciless thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/merciless/thesaurus/synonyms>.
MLASmart Define. "merciless thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/merciless/thesaurus/synonyms>