60 entries under harsh topic. ×

4
pitiless(adjective, severe, nasty, cruel)
4
severe(adjective, great, awful, wicked)
3
degenerate(adjective, evil, nasty, low)
3
hard(adjective, adverb, severe, evil, nasty)
3
sadistic(adjective, adverb, evil, nasty, low)
3
unkind(adjective, severe, evil, nasty)
2
bloodthirsty(adjective, severe, evil, nasty)
2
fierce(adjective, great, evil, nasty)
2
heartless(adjective, severe, evil, nasty)
2
spiteful(adjective, evil, nasty, violent)
2
vindictive(adjective, severe, nasty, violent)
2
virulent(adjective, evil, nasty, vicious)
1
bestial(adjective, adverb, severe, evil, nasty)
1
bitter(adjective, evil, nasty, terrible)
1
demoniac(adjective, evil, nasty, vicious)
1
flinty(adjective, evil, nasty, vicious)
1
implacable(adjective, severe, evil, nasty)
1
inhumane(adjective, severe, evil, nasty)
1
pernicious(adjective, evil, nasty, vicious)
1
poignant(adjective, evil, nasty, vicious)
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APASmart Define. (2016). monstrous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/monstrous/thesaurus/synonyms
ChicagoSmart Define. 2016. "monstrous thesaurus" https://smartdefine.org/monstrous/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, monstrous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/monstrous/thesaurus/synonyms>.
MLASmart Define. "monstrous thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/monstrous/thesaurus/synonyms>