"antipope" | Definition and Related Words

Noun

Someone who is elected pope in opposition to another person who is held to be canonically elected (synset 109816816)
hypernym: bishop of rome, catholic pope, holy father, pontiff, pope, roman catholic pope, vicar of christ - the head of the Roman Catholic Church

instance hyponym: clement iii, guibert of ravenna - Italian antipope from 1080 to 1100 who was installed as pope by the Holy Roman Emperor Henry IV who consistently opposed efforts at papal reform (died in 1100)