Maniac Definition
mānē-ăk
maniacs
noun
maniacs
A psychotic or otherwise mentally ill person who exhibits violent or bizarre behavior. Not used in psychiatric diagnosis.
American Heritage
A person who has an excessive or persistent enthusiasm, liking, or desire for something.
A football maniac.
Webster's New World
A wildly or violently insane person; madman; lunatic.
Webster's New World
adjective
Of, having, or showing mania; maniacal.
Webster's New World
affix
A person affected by a (specified) mania.
Kleptomaniac.
Webster's New World
Affected by a (specified) mania.
Webster's New World
Other Word Forms of Maniac
Noun
Singular:
maniac
Plural:
maniacsOrigin of Maniac
-
From Late Latin maniacus maniacal from Greek maniakos from maniā madness men-1 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
Late Latin maniacus, from Ancient Greek μανιακός (maniakos), adjectival form of μανία (mania, “madness").
From Wiktionary
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