noun con·fed·er·a·cy \kən-ˈfe-d(ə-)rə-sē\

: a group of people, countries, organizations, etc., that are joined together in some activity or effort

the Confederacy : the group of 11 southern states that separated themselves from the U.S. during the American Civil War

plural con·fed·er·a·cies

Full Definition of CONFEDERACY

:  a league or compact for mutual support or common action :  alliance
:  a combination of persons for unlawful purposes :  conspiracy
:  the body formed by persons, states, or nations united by a league; specifically capitalized :  the 11 southern states seceding from the United States in 1860 and 1861


  1. a confederacy of native tribes
  2. the last state to join the Confederacy

First Known Use of CONFEDERACY

14th century

Other History Terms

agonistic, carpetbagger, enceinte, fief, historiography, paladin


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