daredevil

Etymology

dare + devil

noun

1. A person who engages in very risky behavior, especially one who is motivated by a craving for excitement or attention.
   Even as a youngster, Steven was a bit of a daredevil riding up homemade wooden ramps on his BMX.

adj

1. Recklessly bold; adventurous.
   The climactic scene of “Rebel without a Cause” is the group of very daredevil teens playing chicken.

verb

1. (intransitive) To behave in a reckless, adventurous, or physically risky manner.