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.
He was given the tools, but has also worked hard to sharpen them. Steven Johnson, Fort Worth Star-Telegram, 7 Apr. 2026 That debate is sharpening this week as Cheng Li-wun, the firebrand chair of Taiwan’s main opposition party, the Kuomintang, or KMT, heads to China on a six-day trip that could include a landmark meeting with leader Xi Jinping in Beijing. Wayne Chang, CNN Money, 7 Apr. 2026 Instead of viewing constraints as blockers (budget, time, market conditions), treat them as forcing functions that sharpen decision-making. Lisa Song Sutton, Rolling Stone, 7 Apr. 2026 South Stack Studios will present a masterclass examining how filmmakers can sharpen and communicate their creative vision across the range of materials — pitches, loglines, decks — that determine how a project is received in the marketplace. Naman Ramachandran, Variety, 7 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.merriam-webster.com/dictionary/sharpen. Accessed 12 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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