Brazen

Webster's Dictionary

(1): (a.) Sounding harsh and loud, like resounding brass.

(2): (a.) Impudent; immodest; shameless; having a front like brass; as, a brazen countenance.

(3): (a.) Pertaining to, made of, or resembling, brass.

(4): (v. t.) To carry through impudently or shamelessly; as, to brazen the matter through.