7
malevolent(adjective, evil, harsh, violent, cruel)
7
ghoulish(adjective, kind, hideous, scary)
7
naughty
7
rascally
7
savage(adjective, animal, mean, evil, violent)
7
vicious(adjective, bad, wrong, evil, harsh)
6
cruel(adjective, evil, harsh, dark, violent)
6
demoniacal(adjective, evil, malevolence, vice, crazed)
6
execrable(adjective, wicked)
6
flagitious
6
nefarious(adjective, wicked)
6
playful
6
sinister(adjective, evil)
6
villainous(adjective, wicked)
5
elfish
5
heinous
5
malign(adjective, animal, mean, cruel, vicious)
5
malignant(adjective, animal, mean, rude, cruel)
5
mephistophelean
5
monstrous(adjective, shocking, unnatural)
11 years ago|11k views|share |citing 
APASmart Define. (2015). devilish thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/devilish/thesaurus/synonyms
ChicagoSmart Define. 2015. "devilish thesaurus" https://smartdefine.org/devilish/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, devilish thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/devilish/thesaurus/synonyms>.
MLASmart Define. "devilish thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/devilish/thesaurus/synonyms>