Definitions of brazen:

• verb:   face with defiance or impudence

  Example: "Brazen it out"

• adjective:   made of or resembling brass (as in color or hardness)
• adjective:   unrestrained by convention or propriety

  Example: "Brazen arrogance"

• name:  A surname (very rare: popularity rank in the U.S.: #58293)