ppl. a.
1682. Dryden, Mac Flecknoe, 45. At thy well sharpned thumb from Shore to Shore The Treble squeaks for fear, the Bases roar.
1706. Watts, Horæ Lyr., II. (1727), 206. So whole Forests fall by one single Ax, And Steel well-sharpned.
1871. B. Taylor, Faust, II. III. 207. And let the knife, well-sharpened, fail not finally.