Meaning of demoniac

de•mo•ni•ac

Pronunciation: (di-mō'nē-ak", dē"mu-nī'ak), [key]
— adj.
  1. of, pertaining to, or like a demon; demonic: demoniac laughter.
  2. possessed by or as by an evil spirit; raging; frantic.
—n.
  1. a person seemingly possessed by a demon or evil spirit.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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