maniac: Meaning and Definition of
ma•ni•ac
Pronunciation: (mā'nē-ak"), [key]
— n.
- a raving or violently insane person; lunatic.
- any intemperate or overly zealous or enthusiastic person: a maniac when it comes to details.
—adj.
- maniacal.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.