1. [adj]  not debased; "though his associates were dishonest, he remained uncorrupted"; "uncorrupted values"
2. [adj]  not decayed or decomposed
3. [adj]  (of language) not having its purity or excellence debased; "uncorrupted English"; "learn to speak pure English undefiled"- Van Wyck Brooks

UNCORRUPTED is a 11 letter word that starts with U.