sharpening Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to make something have a thin cutting edge or a fine point Example Sentence She is sharpening the cooking knife. Synonyms make knifelike; put an edge on; put a point on Antonyms dull; blunt Hear It! Say It! Write It! sharpening Switch to cursive Start Share with your friends: