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Noun: maniac  'mey-nee,ak
  1. An insane person
    - lunatic, madman
  2. A person who has an obsession with or excessive enthusiasm for something
Adjective: maniac  'mey-nee,ak
  1. Wildly disordered
    "a maniac frenzy";
    - maniacal

Derived forms: maniacs

See also: insane

Type of: diseased person, enthusiast, fancier, sick person, sufferer

Encyclopedia: Maniac