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sharpen

[shahr-puh n] /ˈʃɑr pən/
verb (used with or without object)
1.
to make or become sharp or sharper.
Origin of sharpen
late Middle English
1400-1450
late Middle English word dating back to 1400-50; See origin at sharp, -en1
Related forms
sharpener, noun
presharpen, verb (used with object)
resharpen, verb
unsharpened, adjective
unsharpening, adjective
well-sharpened, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for sharpen
Contemporary Examples
Historical Examples
  • If you were envied, why should you sharpen envy, and file up its teeth to an edge?

    Clarissa, Volume 2 (of 9) Samuel Richardson
  • Why should they brighten their tomahawks and sharpen their knives against each other?

    The Last of the Mohicans James Fenimore Cooper
  • I know for a fact that Sergeant Martin had no less than nine pen-knives to sharpen.

    The Field of Ice Jules Verne
  • You sharpen your wits on other people's, and you keep in touch with all kinds of opinions.

    Changing Winds

    St. John G. Ervine
  • Twas unkind in my uncle to sharpen his appetite with red rum.

British Dictionary definitions for sharpen

sharpen

/ˈʃɑːpən/
verb
1.
to make or become sharp or sharper
2.
(music) to raise the pitch of (a note), esp by one chromatic semitone Usual US and Canadian word sharp
Derived Forms
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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Word Origin and History for sharpen
v.

1520s, "bring to an edge or point," from sharp (adj.) + -en (1). Related: Sharpened; sharpening. Old English verb scearpian meant "to score, scarify;" cf. scearpung "scarifying." To sharpen (one's) pencil "prepare to get to work" is from 1957, American English.

Online Etymology Dictionary, © 2010 Douglas Harper
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