First Known Use: circa 1763
Dictionary
maniac
noun ma·ni·ac \ˈmā-nē-ˌak\
: someone who is violent and mentally ill
: a person who behaves in a very wild way
: a person who is extremely enthusiastic about something
Full Definition of MANIAC
2
: a person characterized by an inordinate or ungovernable enthusiasm for something
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Origin of MANIAC
Late Latin maniacus maniacal, from Greek maniakos, from mania
Related to MANIAC
Other Psychology Terms
Rhymes with MANIAC
almanac, amberjack, anorak, antiblack, applejack, Arawak, Aurillac, back-to-back, bivouac, black-on-black, brainiac, bric-a-brac, Cadillac, camelback, canvasback, cardiac, carryback, celiac, cornerback, Cousin Jack, crackerjack, cul-de-sac, diamondback, fiddleback, Gay-Lussac, gunnysack, hackmatack, haversack, high-low-jack, huckaback, hydrocrack, iliac, ipecac, Kodiak, ladder-back, leatherback, lumberjack, medevac, Merrimack, mommy track, multipack, nunatak, Nunivak, off-the-rack, paperback, Pasternak, piggyback, quarterback, razorback, retropack, running back, sandarac, Sarawak, silverback, single-track, snapper-back, steeplejack, stickleback, Syriac, tamarack, theriac, tokamak, turtleback, umiak, Unimak, zodiac
MANIAC Defined for Kids
maniac
noun ma·ni·ac \ˈmā-nē-ˌak\
Definition of MANIAC for Kids
1
: a person who is or behaves as if insane
2
: a person who is extremely enthusiastic about something
Medical Dictionary
maniac
noun ma·ni·ac \ˈmā-nē-ˌak\
Medical Definition of MANIAC
: an individual affected with or exhibiting insanity
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