sharpness or cutting ability / astuteness or sagacity / eagerness or enthusiasm

simple past tense and past participle of keen

Obsolete form of keen.

An English surname from Old English, a variant of Keen. / A surname from Irish, a variant of Keane. / A city, the county seat of Cheshire County, New Hampshire; named for British diplomat Benjamin Keene.

(chiefly Commonwealth of Nations) Often with a prepositional phrase, or with to and an infinitive: showing a quick and ardent responsiveness or willingness; eager, enthusiastic, interested.

(transitive, rare) To make cold, to sharpen.

A prolonged wail for a deceased person.

(intransitive) To utter a keen. / (transitive) To utter with a loud wailing voice or wordless cry. / (transitive) To mourn.

plural of keen

Third-person singular simple present indicative form of keen