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English definition of “sharpen”

sharpen

verb [T] (ABLE TO CUT)    /ˈʃɑː.pən/ US  /ˈʃɑːr-/
C2 to make something sharp or sharper: My pencil is blunt - I'll have to sharpen it.figurative The company is cutting production costs in an attempt to sharpen its competitive edge (= in order to improve how competitive it is).Sharp and blunt
(Definition of sharpen verb (ABLE TO CUT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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