Full communion

relationship of full understanding among different Christian denominations that share certain essential principles of Christian theology

Full communion is a term used in Christian ecclesiology to describe relations between two distinct Christian communities or Churches that recognise that each other shares the same communion and the same essential doctrines.[1][2] That does not mean that there would be no differences at all between them.

The meaning of full communion is different in, on the one hand, Catholic and Eastern Orthodox Christian theology, and, on the other hand, in the theology of other Western Christians.

  • The Roman Catholic Church (which follows the so-called Latin Rite) is in full communion with the Chaldean Catholic Church, for example. The Chaldean Catholic Church follows the East Syrian tradition. In other words: Both churches celebrate mass differently, but they agree completely on all ideas.
  • The Roman Catholic Church is in partial communion with the Protestant Churches. There are many things both Churches agree on; but in some things they are different; As an example: a Catholic priest can forgive sins; a Protestant priest cannot.

Related pagesEdit


  1. "Dectree on Ecumenism:Unitatis Redintegratio". the Holy See.
  2. "Ut Unum Sint".