sharpen
UK /ˈʃɑːpən/ · US /ˈʃɑɹpən/ verb
Forms sharpens sharpening sharpened
- verb (transitive, sometimes figurative) To make sharp. “to sharpen a pencil or a knife or a musical note”
- verb (intransitive) To become sharp.
Synonyms
Antonyms
Etymology
From Middle English scharpenen, scharpnen, equivalent to sharp + -en.
Webster’s 1913
- verb To make sharp. Specifically: (a) To give a keen edge or fine point to; to make sharper; as, to sharpen an ax, or the teeth of a saw. (b) To render more quick or acute in perception; to make more ready or ingenious.
- verb To grow or become sharp.
Etymology [See Sharp, a.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “sharpen”, CC BY-SA 4.0. Details