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English definition of “sharpen”


verb [T] (CLEAR)    /ˈʃɑː.pən/ US  /ˈʃɑːr-/
to make something clearer: How do you sharpen the focus on this camera?Defining and explaining
(Definition of sharpen verb (CLEAR) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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