Definition of antipope
: one elected or claiming to be pope in opposition to the pope canonically chosen
Origin and Etymology of antipope
Middle English antepope, from Middle French antipape, from Medieval Latin antipapa, from anti- + papa pope
First Known Use: 15th centurySee Words from the same year
Seen and Heard
What made you want to look up antipope? Please tell us where you read or heard it (including the quote, if possible).