Vatical is an adjective that refers to anything related to a pope or the papacy. Antonyms for the word vatical would, therefore, refer to anything that is unrelated to the pope or the papacy. Some possible antonyms include secular, profane, irreligious, worldly, nonspiritual, and unconsecrated. These words describe things that are not connected to religion or the sacredness of the papal office. While vatical may be used to describe the spiritual or religious side of things, its antonyms can denote the opposite - the secular, mundane, or non-religious side of things.