(n.) A follower of Cornelius Jansen, a Roman Catholic bishop of Ypres, in Flanders, in the 17th century, who taught certain doctrines denying free will and the possibility of resisting divine grace.

Albigensian Arian Catharist Donatist Ebionitist Erastian Gnostic Jansenist Jansenistic Jovinianist Jovinianistic Lollard Manichaean Monophysite Monophysitic Montanist Montanistic Pelagian Sabellian Waldensian Wyclifite affected antinomian artificial assumed bastard bogus brummagem colorable colored counterfeit counterfeited distorted doubtful dressed up dubious dummy emanationist embellished embroidered erroneous ersatz factitious fake faked fallacious FALSE falsified feigned fictitious fictive garbled heretical heterodox hylotheist hylotheistic illegitimate imitation inaccurate incorrect junky make-believe man-made mock nonofficial nonorthodox open to question pantheist pantheistic perverted phony pinchbeck pretended pseudo put-on quasi queer questionable self-styled sham shoddy simulated so-called soi-disant spurious supposititious synthetic tin tinsel titivated twisted unaccepted unapproved unattested unauthentic unauthenticated unauthoritative uncanonical uncertified unchecked unconfirmed uncorroborated undemonstrated ungenuine unnatural unofficial unorthodox unproved unreal unscriptural unsound untrue unvalidated unverified unwarranted warped wrong