Usually means: Improve, refine, or enhance skills.
Definitions Related words Mentions
We found 7 dictionaries that define the word sharpen up:

General (4 matching dictionaries)
  1. sharpen up: Merriam-Webster
  2. sharpen (sth) up: Cambridge Advanced Learner's Dictionary
  3. sharpen up: TheFreeDictionary.com
  4. sharpen up: Wiktionary

Computing (1 matching dictionary)
  1. sharpen up: Encyclopedia

Slang (2 matching dictionaries)
  1. sharpen up: Green’s Dictionary of Slang
  2. sharpen up: Urban Dictionary

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Definitions from Wiktionary (sharpen up)

▸ verb:  (intransitive) To become sharp (in all senses).
▸ verb:  (transitive) To make sharp (in all senses).

Similar:
sharpening, sharp, brush up, shape up, look sharp, honing, freshen up, sharp practice, straighten up, improve, more...

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Similar:
sharpening, sharp, brush up, shape up, look sharp, honing, freshen up, sharp practice, straighten up, improve, more...



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