secede
verb (used without object)
to withdraw formally from an alliance, federation, or association, as from a political union, a religious organization, etc.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Secretary Toombs had issued credentials to commissioners to the unseceded Southern States.
From Robert Toombs Statesman, Speaker, Soldier, Sage by Pleasant A. Stovall