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English definition of “sharpen”

sharpen

verb [T] (MAKE STRONG)    /ˈʃɑː.pən/ US  /ˈʃɑːr-/
to make something stronger : Recent changes have sharpened competition between the airlines . The prison riots have sharpened the debate about how prisons should be run .Becoming and making stronger to improve : I hope this course will help me sharpen my computer skills . I went to university to sharpen my mind . We'll need to sharpen our wits if we're going to defeat Jack's team .Becoming betterMaking things betterMaking progress and advancingMaking things betterBecoming better
(Definition of sharpen verb (MAKE STRONG) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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