1. An insane person
   - lunatic, madman 
2. A person who has an obsession with or excessive enthusiasm for something

1. Wildly disordered
   - maniacal

Derived forms: maniacs

See also: insane

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

Encyclopedia: Maniac

• cynically
• cynicism
• cynipid gall wasp
• cynipid wasp
• Cynipidae
• Cynips
• Cynocephalidae
• Cynocephalus
• Cynocephalus variegatus
• Cynodon
• Cynodon dactylon
• Cynodon plectostachyum
• cynodont
• Cynodontia
• Cynoglossidae
• Cynoglossum
• Cynoglossum amabile
• Cynoglossum officinale
• Cynoglossum virginaticum
• Cynomys
• Cynomys gunnisoni
• Cynomys ludovicianus
• cynophobia
• Cynopterus
• Cynopterus sphinx