Definition of Nicolaitan
1 : one of a group reproved in Revelation 2:6, 14–15 and generally associated with those who were rebuked for eating things offered to idols and for fornication
2 : one of a group of 3d century antinomian Gnostics
3 [Medieval Latin Nicolaitae, plural, Nicolaitans, heretics (from Greek Nikolaitai, plural of Nikolaitēs) + English -an] : one of the married or concubinary clergy in the medieval period; also : an opponent of clerical celibacy
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Origin and Etymology of nicolaitan
Middle English Nicholaite Nicolaitan (from Greek Nikolaitēs follower of Nicolaus, from Nikolaos Nicolaus, a reputed heretic + -itēs -ite) + English -an
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