Impeccabiles

Charles Buck Theological Dictionary

A name given to those heretics who boasted that they were impecable, and that there was no need of repentance; such were the Gnostics, Priscillianists, &c.

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

a name given to certain heretics in the ancient Church, who boasted that they were incapable of sin, and that there was no need of repentance; such were some of the Gnostics, Priscillianists, etc. (See Impeccability).