foolhardy

/ˈfül-ˌhär-dē/

adjective

  1. foolishly adventurous and bold : rash

a foolhardy explorer

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. venturesome implies a jaunty eagerness for perilous undertakings.