49 entries under mysterious topic. ×

29
hellish(adjective, kind, evil, harsh, unpleasant)
25
satanic(adjective, kind, evil, vile, wicked)
19
wicked(adjective, evil, terrible, vile)
17
evil(adjective, cruel, vile, wicked)
9
atrocious(adjective, evil, harsh, violent, cruel)
9
damnable(adjective, evil, wicked, lousy)
8
sinful(adjective, evil, wicked, immoral)
6
bad(adjective, evil, wicked, lousy)
6
corrupt(adjective, evil, wicked, immoral)
6
immoral(adjective, evil, wicked, threatening)
6
vile(adjective, evil, wicked, immoral)
5
dark(adjective, evil, threatening, nefarious)
5
foul(adjective, evil, wicked, immoral)
4
horrible(adjective, evil, terrible, wicked, immoral)
4
nefarious(adjective, bad, evil, vile, wicked)
2
dour(adjective, evil, threatening, nefarious)
2
forbidding(adjective, evil, threatening, nefarious)
2
infamous(adjective, evil, wicked, hateful)
2
threatening(adjective, evil, nefarious, spooky)
0
Delphian(adjective, evil, threatening, nefarious)
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APASmart Define. (2015). infernal thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/infernal/thesaurus/synonyms
ChicagoSmart Define. 2015. "infernal thesaurus" https://smartdefine.org/infernal/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, infernal thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/infernal/thesaurus/synonyms>.
MLASmart Define. "infernal thesaurus" 17 July 2015. Web. 28 September 2026. <https://smartdefine.org/infernal/thesaurus/synonyms>