Verb:
* Definition: To make or become suddenly pointed or edged.
* Example: The chef sharpened the knives before starting to cook.
Adjective:
* Definition: Having or characterized by a thin edge or point.
* Example: The knife has a sharp blade.
* Definition: Having or showing a keen or penetrating intellect.
* Example: She has a sharp mind.
Let me know if you'd like more examples!