mephistophelean

/ˌmɛfɪstəˈfiːliən/
adjective
  1. Having a cunning, evil, or devilish character, like the demon Mephistopheles from the Faust legend.
    • Her mephistophelean smile made everyone in the room feel uneasy.
    • The villain gave a mephistophelean laugh as he revealed his evil plan.
    • The story's mephistophelean character tempted the hero with forbidden knowledge.
Antonyms
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