355 entries under adjective topic. ×

16
vicious(mean, nasty, harsh, violent)
15
barbarous(animal, mean, hard, tough)
15
ferocious(animal, mean, nasty, harsh)
14
brutish(hard, nasty, violent, cold)
14
cold-blooded(mean, hard, tough, severe)
14
relentless(animal, mean, hard, tough)
13
inhumane(animal, person, mean, hard)
13
uncompassionate(animal, mean, hard, tough)
13
unforgiving(person, mean, hard, tough)
12
bloodthirsty(severe, nasty, harsh, violent)
12
inexorable(mean, hard, tough, severe)
12
stony(mean, hard, tough, severe)
11
cold(mean, hard, tough, severe)
11
murderous(hard, tough, harsh, violent)
11
unrelenting(animal, mean, hard, tough)
10
implacable(animal, mean, hard, tough)
10
insensitive(hard, tough, severe, harsh)
10
obdurate(mean, hard, tough, severe)
10
stony-hearted(cold, cruel, unfeeling, unsympathetic)
9
tough(hard, severe, sharp, harsh)
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APASmart Define. (2016). pitiless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/pitiless/thesaurus/synonyms
ChicagoSmart Define. 2016. "pitiless thesaurus" https://smartdefine.org/pitiless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, pitiless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/pitiless/thesaurus/synonyms>.
MLASmart Define. "pitiless thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/pitiless/thesaurus/synonyms>