antipope

/ˈæntiˌpoʊp/
noun
  1. A person who claims to be pope in opposition to the pope chosen by the official church, especially in historical periods when there were rival popes.
    • Historians often debate whether a particular medieval figure was a legitimate pope or an antipope.
    • The antipope set up his own court in Avignon, challenging the authority of the Roman pope.
    • During the Great Western Schism, Europe was divided between supporters of the pope and the antipope.
  2. A person who sets themselves up as a rival or false leader in any organization or field, often in a figurative sense.
    • Some critics called the new art movement's founder an antipope, rejecting the traditional art establishment.
    • The rebel faction declared their own leader as an antipope to the official head of the political party.
    • In the world of tech startups, he was seen as an antipope, challenging the established CEO's vision.
Antonyms
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