Johann Eck was a prominent German theologian, philosopher, and opponent of the Protestant Reformation. As such, there are not many synonyms for his name specifically. However, synonyms for his role in the Reformation include Catholic theologian, antagonist of Luther, and opponent of Protestantism. Additionally, synonyms for his ideas and beliefs include traditionalist, religious conservative, and dogmatic. It is common to refer to Eck in academic contexts as a key figure in the Counter-Reformation, which sought to strengthen and reaffirm Catholic doctrine in the face of the rising tide of Protestantism.