noun

a reckless person who enjoys doing dangerous things.

spectators watched in horror as the nineteen-year-old daredevil smashed into the ground

madcap,hothead,adventurer,exhibitionist,swashbuckler,stuntman,tearaway,show-off,showboat,desperado

adjective

reckless and daring.

a daredevil skydiver

daring,bold,adventurous,madcap,hot-headed,audacious,courageous,brave,intrepid,fearless,death-or-glory,undaunted,dauntless,heedless,reckless,rash,hasty,impulsive,precipitous,impetuous,wild,desperate,foolhardy,incautious,imprudent,ill-advised,hare-brained,tearaway,harum-scarum,bull-in-a-china-shop