Definition of debauch

• n. - To lead away from purity or excellence; to corrupt in character or principles; to mar; to vitiate; to pollute; to seduce; as, to debauch one's self by intemperance; to debauch a woman; to debauch an army.
• n. - Excess in eating or drinking; intemperance; drunkenness; lewdness; debauchery.
• n. - An act or occasion of debauchery.