a. (UN-1 7 b.)

1

1687.  J. Reynolds, Death’s Vis., Pref. (1713), 3. ’Tis true such Matter is Restive, Refractory and Unpolishable Enough.

2

a. 1797.  H. Walpole, Mem. Geo. II. (1822), I. 170. The duke’s outside was unpolished, his inside unpolishable.

3

1836.  Landor, Pericles & Asp., Wks. 1846, II. 416. A coarse grained, unpolishable people.

4

1863.  Hawthorne, Old Home (1879), 344. The unpolishable ruggedness of the native character.

5