madcap [mad-kap] (previously 05-06-13)
1. wildly or heedlessly impulsive; reckless; rash: a madcap scheme.
2. a madcap person.
wild, stupid, rash, brash, foolhardy, foolish, frivolous, harebrained, heedless, hotheaded, ill-advised, imprudent, incautious, inconsiderate, lively, reckless, thoughtless
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Origin: First recorded in 1580–90; mad + cap
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