The condition of living forever in a resurrected state, not subject to physical death.

He is risen, Mark 16: 6. Even so in Christ shall all be made alive, 1 Cor. 15: 22. Death is swallowed up when this mortal shall put on immortality, 1 Cor. 15: 53-54. Christ hath abolished death and brought immortality, 2 Tim. 1: 10. Immortality is the restoring of the spirit to the body, 2 Ne. 9: 13. Spirits united with their bodies become immortal, never to die again, Alma 11: 45. The faithful will be crowned with immortality and eternal life, D&C 75: 5. The earth will be sanctified and immortal, D&C 77: 1 (D&C 130: 9). God's work and glory is to bring to pass the immortality and eternal life of man, Moses 1: 39.