The Collaborative International Dictionary of English v.0.48:
Dare-deviltry \Dare"-dev`il*try\, n; pl. Dare-deviltries. Reckless mischief; the action of a dare-devil. [1913 Webster]WordNet (r) 3.0 (2006):
daredeviltry n 1: boldness as manifested in rash and daredevil behavior [syn: daredevilry, daredeviltry]