65 entries under atrocious topic. ×

26
abnormal(adjective, good, wrong, evil, obscure)
20
freakish(adjective, unusual, wild, strange, usual)
16
aberrant(adjective, good, evil, extraordinary, unusual)
14
monstrous(adjective, evil, nasty, harsh, dark)
9
cruel(adjective, evil, nasty, pain, terrible)
8
hideous(adjective, awful, terrible, strange, grim)
7
heartless(adjective, evil, nasty, harsh, cruel)
6
inhuman(adjective, evil, nasty, harsh, terrible)
5
evil(adjective, nasty, harsh, cruel, corrupt)
4
bestial(adjective, evil, nasty, harsh, vicious)
4
brutal(adjective, evil, nasty, harsh, cruel)
4
sinful(adjective, evil, nasty, harsh, corrupt)
4
wicked(adjective, evil, nasty, harsh, corrupt)
3
cold-blooded(adjective, evil, nasty, harsh, vicious)
3
degenerate(adjective, evil, nasty, harsh, corrupt)
3
depraved(adjective, evil, nasty, harsh, corrupt)
3
hard-hearted(adjective, evil, nasty, harsh, cruel)
2
callous(adjective, evil, nasty, harsh, vicious)
2
coldblooded(evil, vicious, wicked)
2
grisly(awful, terrible, immoral, grim, shocking)
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APASmart Define. (2016). unnatural thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unnatural/thesaurus/synonyms
ChicagoSmart Define. 2016. "unnatural thesaurus" https://smartdefine.org/unnatural/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, unnatural thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unnatural/thesaurus/synonyms>.
MLASmart Define. "unnatural thesaurus" 30 March 2016. Web. 1 October 2026. <https://smartdefine.org/unnatural/thesaurus/synonyms>