Source : Webster's Revised Unabridged Dictionary (1913)

Debauchery \De*bauch"er*y\, n.; pl. {Debaucheries}.
   1. Corruption of fidelity; seduction from virtue, duty, or
      allegiance.

            The republic of Paris will endeavor to complete the
            debauchery of the army.               --Burke.

   2. Excessive indulgence of the appetites; especially,
      excessive indulgence of lust; intemperance; sensuality;
      habitual lewdness.

            Oppose . . . debauchery by temperance. --Sprat.

Source : WordNet®

debauchery
     n : a wild gathering involving excessive drinking and
         promiscuity [syn: {orgy}, {debauch}, {saturnalia}, {riot},
          {bacchanal}, {bacchanalia}, {drunken revelry}]