Found 2 items, similar to Mephistophelean.
English → English (WordNet) Definition: mephistophelean mephistophelean adj : showing the cunning or ingenuity or wickedness typical of a devil; “devilish schemes”; “the cold calculation and diabolic art of some statesmen”; “the diabolical expression on his face”; “a mephistophelian glint in his eye” [syn: devilish, diabolic, diabolical, mephistophelian]
English → English (gcide) Definition: Mephistophelean Mephistophelean \Meph`is*to*phe"le*an\, Mephistophelian \Meph`is*to*phe"li*an\(? or ?), prop. a. Pertaining to, or resembling, the devil Mephistopheles, “a crafty, scoffing, relentless fiend;” devilish in character or aspect; crafty; showing cunning or ingenuity or wickedness; as, a mephistophelean glint in his eye. Syn: devilish, diabolic, diabolical, mephistophelean. [1913 Webster]