Meaning of diabolic

di•a•bol•ic

Pronunciation: (dī"u-bol'ik), [key]
— adj.
  1. having the qualities of a devil; devilish; fiendish; outrageously wicked: a diabolic plot.
  2. pertaining to or actuated by a devil.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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