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1. Insane and believed to be affected by the phases of the moon
   - moonstruck

1. An insane person
   - madman, maniac, crazy [N. Amer, informal], loony [informal], looney [informal], nutcase [informal], headcase [informal]
    
2. A reckless impetuous irresponsible person
   - daredevil, madcap, hothead, swashbuckler, harum-scarum

Derived forms: lunatics

See also: basket case [informal], fruitcake [informal], insane, mentalist [Brit, informal], nutbar [N. Amer, informal], nutcake [US, informal], nutjob [informal], nutter [Brit, informal], wackadoodle [N. Amer, informal], wackjob [N. Amer, informal], wacko [informal], whackjob [N. Amer, informal], whacko [informal]

Type of: adventurer, diseased person, sick person, sufferer, venturer

Encyclopedia: Lunatic