Pronunciation: (pûr"su-vēr'uns), [key]
1. steady persistence in a course of action, a purpose, a state, etc., esp. in spite of difficulties, obstacles, or discouragement.
2. Theol.continuance in a state of grace to the end, leading to eternal salvation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.