Source : Webster's Revised Unabridged Dictionary (1913)

Sauciness \Sau"ci*ness\, n.
   The quality or state of being saucy; that which is saucy;
   impertinent boldness; contempt of superiors; impudence.

         Your sauciness will jest upon my love.   --Shak.

   Syn: Impudence; impertinence; rudeness; insolence. See
        {Impudence}.

Source : WordNet®

sauciness
     n : inappropriate playfulness [syn: {impertinence}, {perkiness},
          {pertness}, {archness}]