sharpen

[ shahr-puh n ]
/ ˈʃɑr pən /

verb (used with or without object)

to make or become sharp or sharper.

Origin of sharpen

late Middle English word dating back to 1400–50; see origin at sharp, -en1

Related forms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sharpen

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

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