1. Characterized by undue haste and lack of thought or deliberation
   "madcap escapades"
   - hotheaded, impulsive, impetuous, tearaway, brainish [archaic]

1. A reckless impetuous irresponsible person
   - daredevil, hothead, swashbuckler, lunatic, harum-scarum

Derived forms: madcaps

See also: incautious

Type of: adventurer, venturer

Encyclopedia: Madcap

• planktonic
• planktonic algae
• planless
• planned
• planned community
• planner
• planning
• planning board
• planning commission
• Plano
• Planococcus
• Planococcus citri
• planoconcave
• planoconvex
• planographic
• planographic printing
• planography
• plant
• plant bug
• plant cell
• plant closing
• plant department
• plant disease
• plant family
• plant fiber