reckless

/ˈre-kləs/

adjective

  1. marked by lack of proper caution : careless of consequences

  2. irresponsible

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.

noun

  1. the act of driving a car in a dangerous manner

She has gotten two tickets for reckless driving.

idiom

  1. in a very wild and reckless way

She decided with reckless abandon to quit her job and move to Tahiti.