madcapmad‧cap /ˈmædkæp/ adjective [only before noun] old-fashionedExamples
EXAMPLES FROM OTHER DICTIONARIES
a madcap adventure
EXAMPLES FROM THE CORPUS
Behind the madcap narrative is a deeper purpose.
1a madcap idea seems crazy and unlikely to succeed: a madcap scheme2a madcap person behaves in a crazy and often funny way: He plays a madcap game show host.