Simple Definition of apostolic
: of or relating to the original 12 apostles
: of or relating to the pope
Full Definition of apostolic
2 a : of or relating to a succession of spiritual authority from the apostles held (as by Roman Catholics, Anglicans, and Eastern Orthodox) to be perpetuated by successive ordinations of bishops and to be necessary for valid sacraments and orders b : papal
First Known Use of apostolic
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