SHARPEN

adj to make sharp.

2. sharpen ·vi to grow or become sharp.

3. sharpen ·adj to render more shrill or piercing.

4. sharpen ·adj to make biting, sarcastic, or severe.

5. sharpen ·adj to make more eager; as, to sharpen men's desires.

6. sharpen ·adj to raise, as a sound, by means of a sharp; to apply a sharp to.

7. sharpen ·adj to make more pungent and intense; as, to sharpen a pain or disease.

8. sharpen ·adj to render more quick or acute in perception; to make more ready or ingenious.

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

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