add. ·noun with the, the confederate states of america.
2. confederacy ·noun the persons, bodies, states, or nations united by a league; a confederation.
3. confederacy ·noun a league or compact between two or more persons, bodies of men, or states, for mutual support or common action; alliance.
4. confederacy ·noun a combination of two or more persons to commit an unlawful act, or to do a lawful act by unlawful means. ·see conspiracy.