Definition of: Anabaptist

(an′ə·bap′tist) noun
One of a sect that arose in Zurich in 1523 among the followers of Zwingli, who started the Reformation in Switzerland and advocated opposition to infant baptism, and believed that only such persons as had been baptized after a confession of faith in Christ constituted a real church.
—adjective Of or pertaining to Anabaptists or Anabaptism. [<NL anabaptista <L anabaptismus <Gk. anabaptismos rebaptism <anabaptizein rebaptize <ana- anew + baptizein baptize]
—An′a·bap′tism noun