Definition of "mephistophelian" []

• Of, pertaining to, or resembling in character the spirit Mephistopheles; diabolical; sardonic; jeering; irreverent.

The Century Dictionary (Public Domain)

• "Senate Republicans, if handed a recommendation to impeach by the House will be faced with a very tough choice as the world watches them confront a most stubborn, arrogant and unrepentent Connecticut Cowboy President and his mephistophelian inner circle:"
• "Thanks to Fish Griwkowsky for this video clip, which features an MSNBC commentator denouncing the mephistophelian Ann Coulter in stunningly strong terms."
• "But a certain sneering humor, a certain mephistophelian irony, in these persons, prevent one from feeling entirely at ease with them, or believing, in fact, in their complete sincerity."