(n.) Courage without sense or judgment; foolish rashness; recklessness.

adventuresomeness adventurousness arrogance assurance audaciousness balls bold front boldness brash bearing brashness brass brassiness bravado bravura brazenness brinkmanship bumptiousness cheek cheekiness cockiness contempt contemptuousness contumely courage courage fou courting disaster daredevilry daredeviltry daring daringness defial defiance defying derision derring-do despite disdain disregard effrontery enterprise face fire-eating flirting with death foolhardiness forwardness gall going for broke hardihood hardiness harebrainedness hubris impertinence impudence insolence mettle nerve obtrusiveness overboldness overweening overweeningness pertness playing with fire presumption presumptuousness procacity pushiness resolution sauciness spirit uppishness uppityness venturesomeness venturousness