madcap

Etymology
1580s,, with cap figuratively used for "head" here. Original literal sense "lunatic, crazy person", now used figuratively.

Adjective

 * 1) Hasty, impulsive, or reckless; capricious.

Usage notes
Especially used for adventurous activities.



Noun

 * 1) An impulsive, hasty, capricious person.
 * 2)  An insane person, a lunatic.

Translations

 * Bulgarian:
 * Russian:


 * Armenian:
 * Bulgarian: