• Webster's Revised Unabridged Dictionary
    • n Priscillianist (Eccl. Hist) A follower of Priscillian, bishop of Avila in Spain, in the fourth century, who mixed various elements of Gnosticism and Manicheism with Christianity.
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Century Dictionary and Cyclopedia
    • n priscillianist One of a sect, followers of Priscillian, a Spanish heretic of the fourth century. The sect, which originated in Spain, held various Gnostic and Manichean doctrines. The Priscillianists considered it allowable to conceal their tenets by dissimulation; they were accused of gross immorality, and were severely persecuted by the emperor Maximus.
    • n priscillianist A name given to the Montanists (see Montanist), from their alleged prophetess Priscilla.
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In literature:

The former of the two women was so influential in the movement that its adherents are frequently spoken of as Priscillianists.
"Women of Early Christianity" by Alfred Brittain