Webster dictionary was developed by Noah Webster in the beginning of 19th century. On this website, you can find definition for keen from the 1913 edition of Webster's Revised Unabridged Dictionary. Define keen using one of the most comprehensive free online dictionaries on the web.

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Part of Speech: noun
Results: 8
1. A prolonged wail for a deceased person. Cf. Coranach.
Part of Speech: superlative
1. Sharp; having a fine edge or point; as, a keen razor, or a razor with a keen edge.
3. Bitter; piercing; acrimonious; cutting; stinging; severe; as, keen satire or sarcasm.
4. Eager; vehement; fierce; as, a keen appetite.
5. Piercing; penetrating; cutting; sharp; - applied to cold, wind, etc, ; as, a keen wind; the cold is very keen.
Part of Speech: verb
1. To wail as a keener does.
Part of Speech: verb transitive
1. To sharpen; to make cold.
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