Made of brass: as, a brazen helmet.Pertaining to brass; proceeding from brass.Extremely strong; impenetrable: from brass often serving as a type of strength, impenetrability, and the like: as, “environed with a brazen wall”, Shak., 3 Hen. VI., ii.Impudent; having a front like brass.Also spelled brasen.To behave with insolence or effrontery in regard to: with an indefinite it as object.