1. mephistophelian - Adjective
2. mephistophelian - Adjective Satellite
Pertaining to, or resembling, the devil Mephistopheles, "a crafty, scoffing, relentless fiend;" devilish; crafty.
Source: Webster's dictionarydevilish schemes Source: Internet
the cold calculation and diabolic art of some statesmen Source: Internet
the diabolical expression on his face Source: Internet
a mephistophelian glint in his eye Source: Internet