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sharpen

[ shahr-puhn ]
/ ˈʃɑr pən /
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See synonyms for: sharpen / sharpening on Thesaurus.com

verb (used with or without object)

to make or become sharp or sharper.

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Origin of sharpen

late Middle English word dating back to 1400–50; see origin at sharp, -en1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for sharpen

sharpen
/ (ˈʃɑːpən) /

verb

to make or become sharp or sharper
music to raise the pitch of (a note), esp by one chromatic semitoneUsual US and Canadian word: sharp
sharpener, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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