I. ˈmānēˌak adjective
or ma·ni·a·cal məˈnīəkəl
Etymology: maniac from Late Latin maniacus, from Greek or Late Greek maniakos, from mania; maniacal from Late Latin maniacus + English -al
1.
a. : affected with madness : mad , insane
a maniac killer
b. : indicating or suggestive of madness : characteristic of or like that of a maniac
stared back from maniac little eyes — Farley Mowat
maniac desires to impose the national will upon other populations — Lewis Mumford
that maniac glint in a housewife's scheming eye — Howard Spring
2. : characterized by ungovernable excitement or frenzy : frantic , violent
under the feet of a maniac mob stampeding out into the bush — Arthur Grimble
• ma·ni·a·cal·ly -k(ə)lē, -li adverb
II. noun
( -s )
1. : lunatic , madman
believe the crime was the work of a sex maniac — Associated Press
2. : a person characterized by an inordinate or ungovernable enthusiasm, passion, or partiality for something
our own circle of fishing maniacs — Ford Times
amateur map maniacs should revel in this book — Scientific American
III. noun
( -s )
Etymology: m athematical a nalyzer, n umerical i ntegrator a nd c omputer
: a high-speed electronic digital computer