madcap

/ˈmædˌkæp/
noun
  1. A person who behaves in a wild or reckless manner.
    • The class clown was a lovable madcap.
    • Only a madcap would try to ski down that steep hill.
    • My uncle is a madcap who always tells crazy stories.
adjective
  1. Wild, reckless, or foolish in a fun or amusing way.
    • Her madcap idea to paint the house purple surprised everyone.
    • The movie was a madcap comedy full of silly chases.
    • They went on a madcap adventure through the city at midnight.
Antonyms
What does "madcap" mean? | whatsthatwordmean | whatsthatwordmean