- a raving or violently insane person; lunatic.
- any intemperate or overly zealous or enthusiastic person: a maniac when it comes to details.
Origin of maniac
Examples from the Web for maniac
For as much as Walter was a maniac, he was at the forefront of printing art.Tim Burton Talks ‘Big Eyes,’ His Taste For the Macabre, and the ‘Beetlejuice’ Sequel
December 17, 2014
Tom Sizemore is, it seems, no longer a maniac—but he's convinced he can still play one onscreen.Tom Sizemore’s Revenge: On Tom Cruise’s Scientology Recruitment, Drugs, and Craving a Comeback
September 26, 2014
The maniac suspects then killed another person in a Walmart, and then themselves.From Las Vegas to Georgia, the NRA Has Created a Monster
June 9, 2014
My son and I were sitting there when he was driving away at the end like a maniac.How I Write: Tracy Chevalier
November 13, 2013
They crave the spectacular drama of innocent death, and their evil calls to mind names like madman, maniac, fanatic, and monster.The Army Life, Mundane and Hideously Violent, by Turns
Brian Van Reet
August 29, 2013
If it were not for Kirsty, I should be in my grave, or wandering the earth a maniac.Heather and Snow
Blinded with rage, he had begun beating about the room like a maniac.
Aside from his god Science he was a maniac—inhuman, cruel, unreasoning.The Floating Island of Madness
I dragged her down to the sea with the strength of a maniac and sprang in.The Captain of the Pole-Star and Other Tales
Arthur Conan Doyle
Her hair fell from its knot, and her eyes began to blaze like the eyes of a maniac.The Eternal City
- a wild disorderly person
- a person who has a great craving or enthusiasm for somethinga football maniac
- psychiatry obsolete a person afflicted with mania
Word Origin and History for maniac
c.1600, "pertaining to mania; insane," from French maniaque (14c.), from Late Latin maniacus, from Greek maniakos, from mania (see mania). Borrowed at first in French form; Latinized in English from 1727. The noun is attested from 1763, from the adjective.
- An insane person.