Adjective

adventurous, venturesome, daring, daredevil, rash, reckless, foolhardy mean exposing oneself to danger more than required by good sense. adventurous implies a willingness to accept risks but not necessarily imprudence.
//adventurous pioneers venturesome implies a jaunty eagerness for perilous undertakings.
//venturesome stunt pilots daring implies fearlessness in courting danger.
//daring mountain climbers daredevil stresses ostentation in daring.
//daredevil motorcyclists rash suggests imprudence and lack of forethought.
// a rash decision reckless implies heedlessness of probable consequences.
// a reckless driver foolhardy suggests a recklessness that is inconsistent with good sense.
// the foolhardy sailor ventured into the storm