the confederacy definition
Webster Dictionary(1.00 / 1 vote)Rate this definition: Confederacy(noun) a league or compact between two or more persons, bodies of men, or states, for mutual support or common action; alliance. Confederacy(noun) the persons, bodies, states, or nations united by a league; a confederation. Confederacy(noun) a combination of two or more persons to commit an unlawful act, or to do a lawful act by unlawful means.