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Definition of Keen
1. Adjective. Having or demonstrating ability to recognize or draw fine distinctions. "Frequent penetrative observations"
Similar to: Perceptive
Derivative terms: Acuteness, Incisiveness, Keenness, Penetrate, Sharpness
2. Verb. Express grief verbally. "We lamented the death of the child"
Entails: Grieve, Sorrow
Generic synonyms: Express Emotion, Express Feelings
Derivative terms: Lament, Lament, Lament, Lamentation, Lamentation, Lamenter
3. Noun. A funeral lament sung with loud wailing.
Geographical relationships: Emerald Isle, Hibernia, Ireland
4. Adjective. Intense or sharp. "Felt exquisite pleasure"
5. Adjective. Very good. "You look simply smashing"
Language type: Colloquialism
Similar to: Good
6. Adjective. Painful as if caused by a sharp instrument. "Lancinating pain"
7. Adjective. Having a sharp cutting edge or point. "A keen blade"
Definition of Keen
1. a. Sharp; having a fine edge or point; as, a keen razor, or a razor with a keen edge.
2. v. t. To sharpen; to make cold.
3. n. A prolonged wail for a deceased person. Cf. Coranach.
4. v. i. To wail as a keener does.
Definition of Keen
1. Adjective. showing a quick and ardent willingness or responsiveness, enthusiastic, eager; interested, intense. ¹
2. Adjective. vehement; fierce; as, a keen appetite. ¹
3. Adjective. sharp; having a fine edge or point. ¹
4. Adjective. acute of mind; sharp; penetrating; having or expressing mental acuteness. ¹
5. Adjective. bitter; piercing; acrimonious; cutting; stinging; severe; as, keen satire or sarcasm. ¹
6. Adjective. piercing; penetrating; cutting; sharp; -- applied to cold, wind, etc,; as, a keen wind; the cold is very keen. ¹
7. Adjective. (context: often with ''to'' + infinitive or with a prepositional phrase) Enthusiastic ¹
8. Adjective. (US informal dated) Marvelous. ¹
9. Adjective. (U.K.) extremely low as to be competitive. ¹
10. Adjective. (obsolete) brave, courageous; bold, audacious. ¹
11. Verb. (transitive rare) To sharpen; to make cold. ¹
12. Noun. A prolonged wail for a deceased person. ¹
13. Verb. (intransitive) To utter a keen. ¹
14. Verb. (transitive) To utter with a loud wailing voice or wordless cry. ¹
15. Verb. (transitive) To mourn. ¹
¹ Source: wiktionary.com
Definition of Keen
1. enthusiastic [adj KEENER, KEENEST] / to wail loudly over the dead [v -ED, -ING, -S] - See also: enthusiastic
Medical Definition of Keen
1. William W., U.S. Surgeon, 1837-1932. See: Keen's operation, Keen's sign. (05 Mar 2000)