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Watch example usage of "
keen
"
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keen
WIKTIONARY
keen
Adjective
∙
showing a quick and ardent willingness or responsiveness, enthusiastic, eager; interested, intense.
∙
vehement; fierce
∙
sharp; having a fine edge or point.
∙
acute of mind; sharp; penetrating; having or expressing mental acuteness.
∙
bitter; piercing; acrimonious;
∙
piercing; penetrating; cutting; sharp; -- applied to cold, wind, etc.
∙
enthusiastic.
Britain, often with "to" + infinitive or with a prepositional phrase
∙
marvelous.
US, informal, dated
∙
extremely low as to be competitive.
Britain
∙
brave, courageous; bold, audacious.
obsolete
Verb
∙
To sharpen; to make cold.
transitive, rare
Noun
∙
A prolonged wail for a deceased person.
Verb
∙
To utter a keen.
intransitive
∙
To utter with a loud wailing voice or wordless cry.
transitive
∙
To mourn.
transitive