v. [UN-2 6 b.] trans. To deprive of tone. Hence Untoned ppl. a.1

1

1803.  C. W. Ethelston, Suicide, 9. Is there a hope that o’er this unton’d frame Awakened Health her wonted glow shall spread?

2

1847.  H. Bushnell, Chr. Nurt., II. ii. (1861), 266. Nothing … untones more completely the divine affinities of the childish nature.

3