Definition of "keen"
- adjective
Showing a quick and ardent willingness or responsiveness, enthusiastic, eager; interested, intense.
Vehement; fierce; as, a keen appetite.
Sharp; having a fine edge or point.
Acute of mind; sharp; penetrating; having or expressing mental acuteness.
Bitter; piercing; acrimonious; cutting; stinging; severe; as, keen satire or sarcasm.
Piercing; penetrating; cutting; sharp; -- applied to cold, wind, etc,; as, a keen wind; the cold is very keen.
Enthusiastic.
Marvelous.
Extremely low as to be competitive.
Brave, courageous; bold, audacious.
- verb
To sharpen; to make cold.
To utter a keen.
To utter with a loud wailing voice or wordless cry.
To mourn.
- noun
A prolonged wail for a deceased person.
- Sources