(1):

(a.) Incapable of being bribed or morally corrupted; inflexibly just and upright.

(2):

(n.) The quality or state of being incorruptible.

(3):

(a.) Not corruptible; incapable of corruption, decay, or dissolution; as, gold is incorruptible.

(4):

(n.) 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.