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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.
Shouldn't even be that hard to sharpen the blasted thing, let alone twist it. Arkansas Online, 15 Jan. 2026 Clear boundaries build respect as cerebral Mercury sharpens your sign, especially as Jupiter, with all its wisdom, highlights expectations within partnerships. Tarot.com, New York Daily News, 14 Jan. 2026 Shouldn’t even be that hard to sharpen the blasted thing, let alone twist it. Sean Keeler, Denver Post, 13 Jan. 2026 Strategics keep sharpening their focus on India as a next frontier for beauty. Jennifer Weil, Footwear News, 13 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 19 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

Last Updated: - Updated example sentences
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