INCORRUPT
incorrupt
(adjective) free of corruption or immorality; “a policeman who was incorrupt and incorruptible”
undecomposed, incorrupt
(adjective) not decayed
Source: WordNet® 3.1
Etymology
Adjective
incorrupt (not comparable)
not corrupt, void of moral corruption
free from physical decay
Source: Wiktionary
In"cor*rupt", a. Etym: [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: Webster’s Unabridged Dictionary 1913 Edition