To make more tart or acid; to make sour; as, the rays of
the sun sharpen vinegar.

To raise, as a sound, by means of a sharp; to apply a
sharp to.

To make more eager; as, to sharpen men’s desires.

To render more shrill or piercing.

To make more pungent and intense; as, to sharpen a pain or
disease.

To render more quick or acute in perception; to make more
ready or ingenious.

To make sharp.

f. sivriltmek, bilemek. The butcher sharpened all his knives. (Kasap, bütün bıçaklarını biledi.)

To give a keen edge or fine point to; to make sharper; as,
to sharpen an ax, or the teeth of a saw.

To make biting, sarcastic, or severe.