For all the alien influences around him, his language is Burmese pure and undefiled.
From the theatlantic.com
Rebuilt after a March 2007 bombing, its blue columns are now brown and its walls an undefiled tan brick.
From the washingtonpost.com
I finally take my pure, undefiled tiare flower from behind my ear and cast it into the Pacific Ocean.
From the nzherald.co.nz
The particular literary application to poets is due to Edmund Spenser's use of Dan Chaucer, well of English undefiled.
From the en.wikipedia.org
It will be objected, by the Congressional chaplain, that so long as our minds are pure and undefiled by hatred that we must fight to preserve the lives of others.
From the upi.com
Historian John Hicks claims that the United States has never possessed for any considerable period of time the two party system in its pure and undefiled form.
From the en.wikipedia.org
More examples
Immaculate: free from stain or blemish
Uncorrupted: (of language) not having its purity or excellence debased; "uncorrupted English"; "learn to speak pure English undefiled"- Van Wyck Brooks