n. A prolonged wail for a deceased person.v. To utter a keen.v. To utter with a loud wailing voice or wordless cry.v. To mourn.adj. showing a quick and ardent willingness or responsiveness, enthusiastic, eager; interested, intense.adj. vehement; fierce; as, a keen appetite.adj. sharp; having a fine edge or point.adj. acute of mind; sharp; penetrating; having or expressing mental acuteness.adj. bitter; piercing; acrimonious; cutting; stinging; severe; as, keen satire or sarcasm.adj. piercing; penetrating; cutting; sharp; -- applied to cold, wind, etc,; as, a keen wind; the cold is very keen.adj. Enthusiasticadj. Marvelous.adj. extremely low as to be competitive.adj. brave, courageous; bold, audacious.v. To sharpen; to make cold.