439 entries under adjective topic. ×

5
flinty(evil, nasty, harsh, vicious)
5
hard-boiled(person, hard, severe, rough)
5
hellish(evil, nasty, harsh, violent)
5
intractable(appearance, hard, severe, rough)
5
rude(rough, violent, cruel, vicious)
5
stiff(hard, rough, harsh, cruel)
5
uncaring(person, mean, hard, tough)
5
unresponsive(person, feelings, emotions, rocky)
5
villainous(behavior, wicked, aroused negative, aroused awful feeling)
4
barbarian(crude, savage)
4
beastly
4
chilly(person, feelings, emotions, rocky)
4
coldhearted(mean, hard, severe, harsh)
4
malign(cruel, vicious, brutal, cold-blooded)
4
nasty(mean, evil, cruel, negative)
4
rigid(harsh, cruel, determined, fierce)
4
sanguinary(hard, tough, harsh, violent)
4
stonyhearted
4
unappeasable(mean, harsh, cruel, determined)
4
uncalled-for(mean, cruel, senseless, pitiless)
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APASmart Define. (2016). merciless thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/merciless/thesaurus/synonyms
ChicagoSmart Define. 2016. "merciless thesaurus" https://smartdefine.org/merciless/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, merciless thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/merciless/thesaurus/synonyms>.
MLASmart Define. "merciless thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/merciless/thesaurus/synonyms>