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English definition of “keen”

keen

adjective     /kiːn/
if competition between people or businesses is keen, they are using a lot of effort to be more successful than the others: Some firms are diversifying their businesses in response to keen competition.
UK if prices are keen, they are lower and offer more value than others: Superstores may offer keen prices that small-town shops cannot match.
UK very interested in something or eager to do something: A keen member of two local investment clubs, he runs portfolios of shares for both himself and his wife.a keen interest in sth Among the foundation's donors are corporations with a keen interest in issues before the legislature.keen on sth Like every banker these days, he is keen on managing other people's wealth.keen to do sth The company is keen to expand beyond the UK.
(Definition of keen adjective from the Cambridge Business English Dictionary © Cambridge University Press)
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