The meaning of SHARPEN is to make sharp or sharper; especially : hone. How to use sharpen in a sentence.

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SHARPEN definition: 1. to make something sharp or sharper: 2. to make something stronger: 3. to improve: . Learn more.

Phrasal verb sharpen (something) up (Definition of sharpen from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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Definition of sharpen verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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If your senses, understanding, or skills sharpen or are sharpened, you become better at noticing things, thinking, or doing something. Her gaze sharpened, as if she had seen something …