53 entries under pitiless topic. ×

19
evil(adjective, mean, bad, nasty, harsh)
17
virulent(adjective, help, mean, bad, evil)
14
malicious(adjective, mean, bad, evil, nasty)
13
malevolent(adjective, mean, bad, evil, nasty)
10
wicked(adjective, mean, bad, evil, nasty)
7
cruel(adjective, mean, nasty, pain, violent)
7
vicious(adjective, mean, bad, evil, nasty)
3
hateful(adjective, mean, bad, evil, nasty)
3
nasty(adjective, mean, evil, cruel, wicked)
3
sinful(adjective, bad, evil, nasty, harsh)
3
spiteful(adjective, mean, bad, evil, nasty)
2
atrocious(adjective, bad, evil, nasty, harsh)
2
brutal(adjective, evil, nasty, harsh, vicious)
2
ferocious(adjective, evil, nasty, harsh, vicious)
2
fierce(adjective, evil, nasty, harsh, vicious)
2
unrelenting(adjective, evil, nasty, harsh, vicious)
2
vengeful(adjective, mean, evil, nasty, harsh)
1
bestial(adjective, evil, nasty, harsh, vicious)
1
bitter(adjective, mean, evil, nasty, harsh)
1
bloodthirsty(adjective, evil, nasty, harsh, vicious)
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APASmart Define. (2016). pernicious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/pernicious/thesaurus/synonyms
ChicagoSmart Define. 2016. "pernicious thesaurus" https://smartdefine.org/pernicious/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, pernicious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/pernicious/thesaurus/synonyms>.
MLASmart Define. "pernicious thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/pernicious/thesaurus/synonyms>