Source : Webster's Revised Unabridged Dictionary (1913)

Brazen \Bra"zen\, a.[OE. brasen, AS. br[ae]sen. See {Brass}.]
   1. Pertaining to, made of, or resembling, brass.

   2. Sounding harsh and loud, like resounding brass.

   3. Impudent; immodest; shameless; having a front like brass;
      as, a brazen countenance.

   {Brazen age}.
      (a) (Myth.) The age of war and lawlessness which succeeded
          the silver age.
      (b) (Arch[ae]ol.) See under {Bronze}.

   {Brazen sea} (Jewish Antiq.), a large laver of brass, placed
      in Solomon's temple for the use of the priests.

Brazen \Bra"zen\, v. t. [imp. & p. p. {Brazened}; p. pr. & vb.
   n. {Brazening}.]
   To carry through impudently or shamelessly; as, to brazen the
   matter through.

Source : WordNet®

brazen
     adj 1: unrestrained by convention or propriety; "an audacious trick
            to pull"; "a barefaced hypocrite"; "the most bodacious
            display of tourism this side of Anaheim"- Los Angeles
            Times; "bold-faced lies"; "brazen arrogance"; "the
            modern world with its quick material successes and
            insolent belief in the boundless possibilities of
            progress"- Bertrand Russell [syn: {audacious}, {barefaced},
             {bodacious}, {bold-faced}, {brassy}, {brazen-faced},
            {insolent}]
     2: made of or resembling brass (as in color or hardness)

brazen
     v : face with defiance or impudence; "brazen it out"