uncorrupted, undefiled -- ((of language) not having its purity or excellence debased; "uncorrupted English"; "learn to speak pure English undefiled"- Van Wyck Brooks)
uncorrupted, unspoiled -- (not decayed or decomposed)
uncorrupted -- (not debased; "though his associates were dishonest, he remained uncorrupted"; "uncorrupted values")
(TTS Sound)
