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Definition of "sharpen" [sharp•en]

  • To make or become sharp or sharper. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "sharpen" in a sentence
  • "On opposite sides of the country today, the presumptive presidential nominees will once again sharpen their positions on how to manage the conflicts in Iraq and Afghanistan if elected."
  • "I asked, feeling my vague dislike for that particular name sharpen up to something dangerously like hatred."
  • "I 'sharpen' my hunting knife with a Lansky stone set but I don't with my butcher knives, they're just too long bladed and wear out the stones."