the GNU version of the Collaborative International Dictionary of English
adj. Inclined to wild sports; delighting in rash, absurd, or dangerous amusements.
adj. Wild; reckless.
n. A person of wild behavior; an excitable, rash, violent person.
The Century Dictionary and Cyclopedia
n. A person who acts madly or wildly; a flighty or harebrained person; one who indulges in frolics.
Pertaining to or resembling a madcap; wild; harum-scarum.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. characterized by undue haste and lack of thought or deliberation
n. a reckless impetuous irresponsible person
Word Usage
"Aug. 3 Bloomberg -- Governor Zhou Xiaochuan said China's central bank will monitor U.S. efforts to tackle its debt as the official Chinese news agency criticized what it called the "madcap" brinksmanship of American lawmakers."