uncorrupted

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

language, linguistic communication, perfect, undefiled