80 entries under nasty topic. ×

1
flinty(adjective, evil, harsh, vicious)
1
grody(bad, offensive, awful, vile)
1
implacable(adjective, severe, evil, harsh)
1
inhumane(adjective, severe, evil, harsh)
1
pernicious(adjective, evil, harsh, vicious)
1
poignant(adjective, evil, harsh, vicious)
1
rancorous(adjective, evil, harsh, violent)
1
relentless(adjective, severe, evil, harsh)
1
repelling(adjective, plain, awful, revolting)
1
revengeful(adjective, evil, harsh, vicious)
1
tyrannical(adjective, evil, harsh, vicious)
1
uninviting(adjective, plain, awful, revolting)
1
unrelenting(adjective, severe, evil, harsh)
1
vengeful(adjective, severe, evil, harsh)
1
vulgar(adjective, rude, awful, cruel)
0
callous(adjective, evil, harsh, vicious)
0
cold-blooded(adjective, evil, harsh, vicious)
0
hard-hearted(adjective, evil, harsh, vicious)
0
inexorable(adjective, evil, harsh, vicious)
0
unfeeling(adjective, severe, evil, harsh)
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APASmart Define. (2016). monstrous thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/monstrous/thesaurus/synonyms
ChicagoSmart Define. 2016. "monstrous thesaurus" https://smartdefine.org/monstrous/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, monstrous thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/monstrous/thesaurus/synonyms>.
MLASmart Define. "monstrous thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/monstrous/thesaurus/synonyms>