sharpen

verb/ɐˈɡukɐ/low

a·gu·ca

Definition

To make or become sharper, finer, or more pointed; to sharpen. Figuratively: to make more perceptive or attentive.

You need to sharpen the pencil before writing.

The competition sharpened his skills.

syn

ant

Do latim 'acucare', de 'acus' ('agulha').