noun🔗ShareHérésiarqueThe founder of a heresy, or a major ecclesiastical proponent of such a heresy."Martin Luther is considered by some to be a heresiarch for challenging the Catholic Church's doctrines during the Reformation. "Martin Luther est considéré par certains comme un hérésiarque pour avoir contesté les doctrines de l'Église catholique pendant la Réforme.religiontheologyhistorypersondoctrineChat with AIVocabulary GamePractice Reading