Resembling a devil.
Very wicked or cruel
Appropriate to a devil, especially in degree of wickedness or cruelty.
showing the cunning or ingenuity or wickedness typical of a devil
Find another word for mephistophelean. In this page you can discover 4 synonyms, antonyms, idiomatic expressions, and related words for mephistophelean, like: devilish, diabolic, diabolical and mephistophelian.