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.
With few clear policy differences separating the candidates on either side, the matchups are being driven largely by personality, sharpened by TV ads, fundraising muscle and the machinery of endorsements and turnout. Gromer Jeffers Jr. political, Dallas Morning News, 2 Jan. 2026 The president framed Budanov’s appointment as part of a broader effort to sharpen the focus on security, defense development and diplomacy. Illia Novikov, Chicago Tribune, 2 Jan. 2026 Zelensky has framed the move as part of a broader effort to sharpen the focus on security, defense development and diplomacy. Illia Novikov, Los Angeles Times, 2 Jan. 2026 Henry David Thoreau’s New Year’s Day journal entries, published in The Atlantic in 1885, articulate how winter can sharpen a person’s senses. Rafaela Jinich, The Atlantic, 1 Jan. 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

Browse Nearby Words

Cite this Entry

“Sharpen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sharpen. Accessed 5 Jan. 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

More from Merriam-Webster on sharpen

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