sharpen

verb

1. make sharp or sharper

- sharpen the knives

Definition categories: contact, alter, change, modify

2. make crisp or more crisp and precise

- We had to sharpen our arguments

Definition categories: change, compound, deepen, heighten, intensify

3. become sharp or sharper

- The debate sharpened

Definition categories: change, deepen, intensify

4. put (an image) into focus

Similar word(s): focalise, focalize, focus

Definition categories: change, adjust, correct, set

5. make (images or sounds) sharp or sharper

Definition categories: perception

6. raise the pitch of (musical notes)

Definition categories: change, alter, modify

7. give a point to

Similar word(s): point, taper

Definition categories: change, deform

8. make (one's senses) more acute

- This drug will sharpen your vision

Similar word(s): heighten

Definition categories: change, compound, deepen, heighten, intensify