sharpen

verb

sharp·​en ˈshär-pən 

sharpened; sharpening ˈshär-pə-niŋ 

ˈshärp-niŋ

transitive verb

: to make sharp or sharper

especially : hone

intransitive verb

: to become sharp or sharper

sharpener

ˈshär-pə-nər 

ˈshärp-nər

noun

Synonyms

• edge
• grind
• hone
• stone
• strop
• whet

Examples of sharpen in a Sentence

Can you sharpen the image?

The lecture sharpened my understanding of the topic.

The outlines of the mountains sharpened as we got closer.

Recent Examples on the Web

Use the control-click of the sharpness adjustment tool to reveal a sharpening layer mask. —Josh Dury, Space.com, 30 Apr. 2025

But while some theorists used DESI’s data to revive and sharpen intriguing theories of yesteryear, Green and others issued a warning. —Lyndie Chiou, Scientific American, 30 Apr. 2025

Going forward, de Fayet is determined to further sharpen the brand’s drops and offer. —Lily Templeton, Footwear News, 29 Apr. 2025

Artists work closely with world-class advisors to sharpen their writing and directing skills and deepen their vision. —Matt Grobar, Deadline, 28 Apr. 2025

Word History

First Known Use

15th century, in the meaning defined at transitive sense

Phrases Containing sharpen

• sharpen up

Rhymes for sharpen

• tarpon
• pilocarpine

Kids Definition

sharpen

verb

sharp·​en ˈshär-pən 

sharpened; sharpening ˈshärp-(ə-)niŋ 

1

: to make or become sharp or sharper

sharpen a pencil

a better lens sharpened the image

pain that suddenly sharpened

2

: improve

sharpen one's skills

sharpener

ˈshärp-(ə-)nər 

noun