papist /ˈpeɪp.ɪst/adjective 1noun 1forms 4 adjective1 •(offensive) Roman Catholic.However, Menem promptly surprised many observers (and most of his voters) by forming an alliance with Alsogaray, and becoming more papist than the Pope in economic orthodoxy. — 2011 noun1 •(offensive) A Roman Catholic, especially one whose loyalties are seen to be with the papacy in Rome. formsPapists · papists · more papist · most papist