Noun:

1. someone who is elected pope in opposition to another person who is held to be canonically elected;

   "the antipopes resided in Avignon during the Great Schism"
   

antiden.抗排卵肽antin.反对者adj.反对的prep.反对antitetanus抗破伤风的antidysuric抗排尿困难的anti thrustadj.止推的anti climaxn.高潮突降(虎头蛇尾)antiaysuric[医] 抗排尿困难的antiscience科学无用论,反科学antihyperon反超子Antifungals抗真菌药物anti-dust去污斑antiutopian反面乌托邦的,具有反面乌托邦特征的