Source : Webster's Revised Unabridged Dictionary (1913)

Incorrupt \In"cor*rupt"\, a. [L. incorruptus. See {In-} not, and
   {Corrupt}.]
   1. Not affected with corruption or decay; unimpaired; not
      marred or spoiled.

   2. Not defiled or depraved; pure; sound; untainted; above the
      influence of bribes; upright; honest. --Milton.

            Your Christian principles . . . which will preserve
            you incorrupt as individuals.         --Bp. Hurd.

Source : WordNet®

incorrupt
     adj 1: free of corruption or immorality; "a policeman who was
            incorrupt and incorruptible" [ant: {corrupt}]
     2: free of corruption or immorality