Incorruptible, a.
Etymology: [L. incorruptibilis: cf. F. incorruptible. See In- not, and Corrupt.]
1. Not corruptible; incapable of corruption, decay, or dissolution; as, gold is incorruptible. Our bodies shall be changed into incorruptible and immortal substances. Wake.
2. Incapable of being bribed or morally corrupted; inflexibly just and upright.
2 other Webster entries under this spelling
Incorruptible, n. (Eccl. Hist.)
One of a religious sect which arose in Alexandria, in the reign of the Emperor Justinian, and which believed that the body of Christ was incorruptible, and that he suffered hunger, thirst, pain, only in appearance.
Incorruptible, n.
The quality or state of being incorruptible. Boyle.
Shades of meaning
Fernald has no entry of its own for incorruptible; he lists it under faithful.
He lists it without comment; the entries above explain its neighbors.