A political philosophy opposed to the separation of a religious group (church) and a government (state), especially the belief held by those in 19th-century England opposed to separating the Anglican church from the civil government or to refer to separation of church and state.

plural of antidisestablishmentarianism

One who believes that the Church of England should retain its formal constitutional relationship with the state.

Of or relating to the belief that the Church of England should retain its formal constitutional relationship with the state.

plural of antidisestablishmentarian