meaning of keen
1.  Sharp; having a fine edge or point; as, a keen razor, or a razor with a keen edge. 
2.  Acute of mind; sharp; penetrating; having or expressing mental acuteness; as, a man of keen understanding; a keen look; keen features. 
3.  Bitter; piercing; acrimonious; cutting; stinging; severe; as, keen satire or sarcasm. 
4.  Piercing; penetrating; cutting; sharp; -- applied to cold, wind, etc, ; as, a keen wind; the cold is very keen. 
5.  Eager; vehement; fierce; as, a keen appetite. 
6.  To sharpen; to make cold. 
7.  A prolonged wail for a deceased person.   Cf.  Coranach. 
8.  To wail as a keener does. 
9.  a funeral lament sung with loud wailing
						 
Related Words
keen | keen-sighted | keener | keenly | keenness |
