Dictionary

To make cold, to sharpen.

Often with a prepositional phrase, or with to and an infinitive: showing a quick and ardent responsiveness or willingness; eager, enthusiastic, interested.

Example: I’m keen on computers.

Fierce, intense, vehement.

Example: This boy has a keen appetite.

Having a fine edge or point; sharp.

Acute of mind, having or expressing mental acuteness; penetrating, sharp.

A prolonged wail for a deceased person.

To utter a keen.

To utter with a loud wailing voice or wordless cry.

To mourn.