incorruptible

incorruptible
    adj 1: incapable of being morally corrupted; "incorruptible
           judges are the backbone of the society"
    

Incorruptible \In`cor*rupt"i*ble\, a. [L. incorruptibilis: cf.
   F. incorruptible. See {In-} not, and {Corrupt}.]
   [1913 Webster]
   1. Not corruptible; incapable of corruption, decay, or
      dissolution; as, gold is incorruptible.
      [1913 Webster]

            Our bodies shall be changed into incorruptible and
            immortal substances.                  --Wake.
      [1913 Webster]

   2. Incapable of being bribed or morally corrupted; inflexibly
      just and upright.
      [1913 Webster]
    

Incorruptible \In`cor*rupt"i*ble\, 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.
   [1913 Webster]
    

46 Moby Thesaurus words for "incorruptible":
      amaranthine, deathless, dependable, embalmed, ever-fresh,
      everlasting, fadeless, faithworthy, frozen, immortal, imperishable,
      impregnable, indelible, indestructible, ineffaceable, ineradicable,
      inexpugnable, inextinguishable, invincible, inviolable,
      invulnerable, irrefragable, never-dying, nonperishable, proven,
      quenchless, reliable, responsible, straight, sure, tested,
      to be trusted, tried, tried and true, true, trustable, trustworthy,
      trusty, undampable, undestroyable, undying, unfading, unfalse,
      unperfidious, unquenchable, untreacherous