not corrupt, void of moral corruption / free from physical decay

Incapable of being bribed or morally corrupted; inflexibly just and upright. / Not subject to corruption or decay.

(Christianity) A person whose body does not decompose after death, a sign of holiness.

The condition of being incorruptible; honesty. / The condition of never decaying or decomposing (especially, as ascribed to the bodies of holy people in Roman Catholic and Eastern Orthodox Christianity).

In an incorruptible manner.

plural of incorruptible

(archaic) The state of being incorrupt.

the state of being incorrupt

incorruptibility

(archaic) incorruptible; not liable to decay