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 move also sharpens CATL’s competition with domestic rival BYD, whose latest Blade battery reportedly charges from 10 percent to 97 percent in about nine minutes. Neetika Walter, Interesting Engineering, 21 Apr. 2026 The campaign that year felt predictable — Obama was favored to win — but the political climate was sharpened by the Tea Party, a conservative grassroots movement within the Republican Party that sought to repeal Obamacare. Nataliya Gumenyuk, The Dial, 21 Apr. 2026 Your focus sharpens and tasks move faster as Mercury joins Mars in Aries in your 6th house. Tarot.com, The Orlando Sentinel, 20 Apr. 2026 As the Beatles began to splinter, Spitz writes, the Stones sharpened their focus. Marc Ballon, Los Angeles Times, 20 Apr. 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.grautoblog.com/dictionary/sharpen. Accessed 23 Apr. 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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