0 the action of removing a Church or similar organized group from its official position, and no longer officially supporting it:
Jefferson and Madison listed as one of their proudest accomplishments the disestablishment of the Episcopalian Church in Virginia.
They celebrated the 50th anniversary of the fuller integration of women into the Army with the disestablishment of the Women's Army Corps.
Following disestablishment in 1923, the Church in Wales has been quite independent of the Church of England.