Definition of keen

Definition of keen
  1. keen Adjective showing a quick and ardent willingness or responsiveness, enthusiastic, eager; interested, intense.
  2. keen Adjective vehement; fierce; as, a keen appetite.
  3. keen Adjective sharp; having a fine edge or point.
  4. keen Adjective acute of mind; sharp; penetrating; having or expressing mental acuteness.
  5. keen Adjective bitter; piercing; acrimonious; cutting; stinging; severe; as, keen satire or sarcasm.
  6. keen Adjective piercing; penetrating; cutting; sharp; -- applied to cold, wind, etc,; as, a keen wind; the cold is very keen.
  7. keen Adjective Enthusiastic
  8. keen Adjective Marvelous.
  9. keen Adjective extremely low as to be competitive.
  10. keen Adjective brave, courageous; bold, audacious.
  11. keen Verb To sharpen; to make cold.
  12. keen Noun A prolonged wail for a deceased person.
  13. keen Verb To utter a keen.
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