Lutheran UK /ˈluːθəɹ(ə)n/US /ˈluθəɹən/adjective 1noun 1forms 3 adjective1 •Of or pertaining to the theology of Martin Luther (1483–1546) or his followers, or the Lutheran church.A Lutheran understanding of the Lord’s Supper is not the same as that of other denominations. noun1 •A member of any of the Christian churches which identify with the theology of Martin Luther.The split between the Lutherans and the Roman Catholics began with the Edict of Worms in 1521. formsLutherans · more Lutheran · most Lutheran