keen

English dictionary entry

Meanings

adj
  1. Often with a prepositional phrase, or with to and an infinitive: showing a quick and ardent responsiveness or willingness; eager, enthusiastic, interested.
  2. Fierce, intense, vehement.
  3. Having a fine edge or point; sharp.
  4. Acute of mind, having or expressing mental acuteness; penetrating, sharp.
  5. Acrimonious, bitter, piercing.
  6. Of cold, wind, etc.: cutting, penetrating, piercing, sharp.
  7. Of prices, extremely low as to be competitive.
  8. Marvelous.
  9. Brave, courageous; audacious, bold.
verb
  1. To make cold, to sharpen.
noun
  1. A prolonged wail for a deceased person.
verb
  1. To utter a keen.
  2. To utter with a loud wailing voice or wordless cry.
  3. To mourn.
name
  1. A surname.

Pronunciation

/kiːn/ kēn /kin/ en-us-keen.ogg en-au-keen.ogg

Word forms

keen keener more keen keenest most keen keene kene keens keening keened

Etymology

From Middle English kene (“bold, brave, sharp”), from Old English cēne (“keen, fierce, bold, brave, warlike, powerful; learned, clever, wise”), from Proto-Germanic *kōniz (“knowledgeable, skilful, experienced, clever, capable”), from Proto-Indo-European *ǵneh₃- (“to know”). Cognate with Danish køn (“handsome, pretty”), Dutch kien (“smart, wise, able”), koen (“daring, valiant, doughty, courageous”), German kühn (“bold, daring, audacious, hardy, valiant, venturesome”), Icelandic kænn (“wise, crafty, clever, able”), Faroese kønur (“expert (in, on), experienced, skilful, able, capable”), Scots keen (“lively, brisk; avaricious”). Related to Old English cunnan (“to know how to, be able to”). More at cunning, can.

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