One entry found for sharpen.

Entry Word: sharpen
Function: verb
Text: to make sharp or sharper <you need to sharpen your penknife's blade frequently in order to be able to whittle properly>
Synonyms edge, grind, hone, strop, whet
Related Words file
Near Antonyms buff, burnish, gloss, polish, round, smooth
Antonyms blunt, dull