n. 25B6; adjective a daring attack : BOLD, audacious, intrepid, venturesome, fearless, brave, unafraid, undaunted, dauntless, valiant, valorous, heroic, dashing; madcap, rash, reckless, heedless; informal gutsy, spunky.
25B6; noun his sheer daring : BOLDNESS, audacity, temerity, fearlessness, intrepidity, bravery, courage, valour, heroism, pluck, spirit, mettle; recklessness, rashness, foolhardiness; informal nerve, guts, spunk, grit; Brit. informal bottle; N. Amer. informal moxie, sand.