sharpen

verb

sharp·​en ˈshär-pən How to pronounce sharpen (audio)
sharpened; sharpening ˈshär-pə-niŋ How to pronounce sharpen (audio)
ˈshärp-niŋ
Synonyms of sharpennext

transitive verb

: to make sharp or sharper
especially : hone

intransitive verb

: to become sharp or sharper
sharpener
ˈshär-pə-nər How to pronounce sharpen (audio)
ˈshärp-nər
noun

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The difference is that in prediction markets, people are wagering actual money, which tends to sharpen the mind in ways that answering a pollster's call during dinner does not. Arkansas Online, 24 Mar. 2026 Waning support for Israel, and increasingly bipartisan disapproval of the war in Iran, has loomed large over the primary elections, with candidates increasingly spurning the support of the American Israel Public Affairs Committee and sharpening their criticism of the country. Grace Gilson, Sun Sentinel, 23 Mar. 2026 As Alphabet sharpens its focus on artificial intelligence to keep pace with rivals, the company has trimmed X’s budget and pushed many of the ventures to spin out as independent companies in recent years. Bloomberg, Mercury News, 23 Mar. 2026 Originally presented as a technical overhaul of the justice system, the reform has sharpened political divisions and unified the center‑left opposition, turning the referendum into a symbolic showdown on Meloni’s strength one year ahead of national elections. ABC News, 22 Mar. 2026 See All Example Sentences for sharpen

Word History

First Known Use

15th century, in the meaning defined at transitive sense

Time Traveler
The first known use of sharpen was in the 15th century

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Cite this Entry

“Sharpen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sharpen. Accessed 26 Mar. 2026.

Kids Definition

sharpen

verb
sharp·​en ˈshär-pən How to pronounce sharpen (audio)
sharpened; sharpening ˈshärp-(ə-)niŋ How to pronounce sharpen (audio)
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 noun

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