20 entries under diabolical topic. ×

4
demonic(adjective, evil, cruel, vile, wicked)
4
diabolic(adjective, evil, wicked, immoral, deceitful)
4
fiendish(adjective, evil, cruel, vile, wicked)
4
satanic(adjective, wicked, immoral, deceitful, contrary)
4
infernal(adjective, evil, cruel, vile, wicked)
3
bad(adjective, evil, wicked, immoral, crazed)
2
demoniac(adjective, evil, vile, wicked, crazed)
2
iniquitous(adjective, wicked, immoral, deceitful, contrary)
2
serpentine(adjective, evil, vile, wicked, crazed)
1
Mephistophelian(adjective, evil, vile, wicked, fiendish)
1
damnable(adjective, evil, vile, wicked, fiendish)
1
nefarious(adjective, evil, vile, wicked, fiendish)
1
villainous(adjective, evil, vile, wicked, fiendish)
0
accursed(adjective, wicked, demonic)
0
brutish(adjective, wicked, demonic)
0
cloven-footed(adjective, wicked, demonic)
0
cursed(adjective, wicked, demonic)
0
detestable(adjective, wicked, demonic)
0
execrable(adjective, wicked, demonic)
0
hellborn(adjective, wicked, demonic)
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APASmart Define. (2016). unhallowed thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unhallowed/thesaurus/synonyms
ChicagoSmart Define. 2016. "unhallowed thesaurus" https://smartdefine.org/unhallowed/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, unhallowed thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unhallowed/thesaurus/synonyms>.
MLASmart Define. "unhallowed thesaurus" 13 February 2016. Web. 1 October 2026. <https://smartdefine.org/unhallowed/thesaurus/synonyms>