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maniac
8 dictionary results for: maniac
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
ma·ni·ac       [mey-nee-ak] Pronunciation Key
–noun
1.a raving or violently insane person; lunatic.
2.any intemperate or overly zealous or enthusiastic person: a maniac when it comes to details.
–adjective
3.maniacal.

[Origin: 1595–1605; < ML maniacus of, pertaining to madness. See mania, -ac]
American Heritage Dictionary - Cite This Source - Share This
ma·ni·ac       (mā'nē-āk')  Pronunciation Key 
n.  
  1. An insane person.
  2. A person who has an excessive enthusiasm or desire for something: a sports maniac.
  3. A person who acts in a wildly irresponsible way: maniacs on the highway.

adj.   Variant of maniacal.


[From Late Latin maniacus, maniacal, from Greek maniakos, from maniā, madness; see men-1 in Indo-European roots.]

American Heritage Dictionary - Cite This Source - Share This
ma·ni·a·cal       (mə-nī'ə-kəl)  Pronunciation Key 
adj.  
  1. Suggestive of or afflicted with insanity: a maniacal frenzy.
  2. Characterized by excessive enthusiasm or excitement: a maniacal interest in gambling.

ma·ni'a·cal·ly adv.
Online Etymology Dictionary - Cite This Source - Share This
maniac  (adj.)
1604, from Fr. maniaque, from L.L. maniacus, from Gk. maniakos, from mania (see mania). The noun is attested from 1763, from the adj.

WordNet - Cite This Source - Share This
maniac

adjective
1. wildly disordered; "a maniacal frenzy" [syn: maniacal

noun
1. an insane person [syn: lunatic
2. a person who has an obsession with or excessive enthusiasm for something 

American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

maniac ma·ni·ac (mā'nē-āk')
n.
An insane person.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Maniac

Ma"ni*ac\, a. [F. maniaque. See Mania.] Raving with madness; raging with disordered intellect; affected with mania; mad.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Maniac

Ma"ni*ac\, n. A raving lunatic; a madman.

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