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keen

 
 
/kiːn/ adjective

Definition

INTERESTED very interested or enthusiastic: a keen golfer/photographer He's very keen on travelling.
WANTING TO DO wanting to do something very much: [+ to do sth] The shop is keen to attract new customers.
VERY GOOD very good or well developed: a keen sense of smell
keenness noun [U] keenly adverb
(Definition of keen adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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