What does "demoniac" mean?

Demoniac: Influenced or produced by a demon or evil spirit; as, demoniac or demoniacal power. "Demoniac frenzy." Milton.

Additional senses

  1. 2.A human being possessed by a demon or evil spirit; one whose faculties are directly controlled by a demon. The demoniac in the gospel was sometimes cast into the fire. Bates.
  2. 3.(Eccl. Hist.) One of a sect of Anabaptists who maintain that the demons or devils will finally be saved.

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