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.