sharpen

verb [T] (MAKE STRONGER)

/ˈʃɑr·pən/

Definition

› 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)

to express disagreement or refuse to do something

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