ˈbrazenness [f. brazen a. + -ness.] 1. Brazen quality or appearance. 1731in Bailey II. 1755 in Johnson; and in mod. Dicts. 2. Effrontery, impudence. 1861Elsie Garrett in Gd. Words 409 Stately, powerful comeliness, a thought defiant, but not to brazenness.