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English definition of “clean”

clean

verb
 
 
/kliːn/
clean house informal WORKPLACE to take action to make an organization operate more honestly and effectively: Companies like to clean house between chief executives, so as to give the newcomer a positive base to work from.
clean out your desk/office/locker informal WORKPLACE used to tell someone they are being removed from their job: He was told to clean out his desk by noon.
clean up its/your act informal to start to obey laws or accepted standards of behaviour: There are still serious questions about whether the company has cleaned up its act since its $11 billion accounting fraud was exposed.
(Definition of clean verb from the Cambridge Business English Dictionary © Cambridge University Press)
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