Daring
Part of speech: verb
Definition: To have enough courage (to do something).
Part of speech: adjective
Definition: Adventurous, willing to take on or look for risks. Courageous, or showing bravery
Part of speech: noun
Definition: Boldness A bold challenge, defiance.
Example sentence: Security is mostly a superstition. It does not exist in nature, nor do the children of men as a whole experience it. Avoiding danger is no safer in the long run than outright exposure. Life is either a daring adventure, or nothing.
Audacious
Part of speech: adjective
Definition: Showing willingness to take bold risks; recklessly daring.Impudent.
Example sentence: A political event was that I met Fidel Castro, the Cuban revolutionary. He is a young, intelligent guy, very sure of himself and extraordinarily audacious; I think we hit it off well.