sharpen up

phrasal verb
sharpened up; sharpening up; sharpens up

Definition of sharpen up

1 : to become better, smarter, more skillful, etc. You'd better sharpen up if you want to keep your job.
2 : to improve (something) I took a course to sharpen up my computer skills.

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Cite this Entry

“Sharpen up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sharpen%20up. Accessed 1 Oct. 2020.

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