(of language) not having its purity or excellence debased; "uncorrupted English"; "learn to speak pure English undefiled"- Van Wyck Brooks [syn: uncorrupted]
c.1300, undefylde, from un- (1) "not" + pp. of defile (v.). Originally of morals; sexual sense is attested from c.1450. Physical sense of "not made dirty" is from 1590.
