: an explosive mixture of potassium nitrate, charcoal, and sulfur used in gunnery and blasting
broadly : any of various powders used in guns as propelling charges

Examples of gunpowder in a Sentence

Recent Examples on the Web
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The traditional preparation begins with jasmine or gunpowder green tea. Noel Burgess, Forbes.com, 28 July 2026 Launched in 2024, MICAS occupies restored 17th-century Floriana fortifications, a former Knights-era poorhouse, and a gunpowder store in Malta’s Baroque capital city Valletta. The Editors Of Artnews, ARTnews.com, 27 July 2026 The gunpowder choke point Gunpowder prices have spiked as the war in Ukraine depleted stockpiles. Elsa Ohlen,greg Kennedy, CNBC, 23 July 2026 The former offices of the saltpeter mines, which produced the main ingredients used in gunpowder and fertilizer, evoke the past, when thousands of people labored at processing caliche, a nitrate-bearing rock. Cristina Dorador, The Dial, 14 July 2026 See All Example Sentences for gunpowder

Word History

First Known Use

15th century, in the meaning defined above

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

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Cite this Entry

“Gunpowder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gunpowder. Accessed 3 Aug. 2026.

Kids Definition

gunpowder

noun
: an explosive mixture used in guns and blasting

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