maniac Hear it!

maniac definition

ma·niac (mā′nē ak′)

adjective

of, having, or showing mania; maniacal

Etymology: ML maniacus

noun

  1. a wildly or violently insane person; madman; lunatic
  2. a person who has an excessive or persistent enthusiasm, liking, or desire for something a football maniac

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.