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English definition of “sharpen”

sharpen

verb [T] (MAKE STRONGER)   /ˈʃɑr·pən/
to make something stronger , or to improve something: The dollar’s decline in value sharpened fears of another recession . I’m taking a course that should help me sharpen my computer skills .
(Definition of sharpen verb (MAKE STRONGER) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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