1
: a massive hard dark quartz that produces a spark when struck by steel
2
: an implement of flint used in prehistoric cultures
3
a
: a piece of flint
b
: a material used for producing a spark
especially
: an alloy (as of iron and cerium) used in lighters
4
: something resembling flint in hardness
Examples of flint in a Sentence
the flint in a cigarette lighter
Recent Examples on the Web
About twelve years ago, a contractor named Geary Blackwood hauled a massive flint rock to one of his properties, on a busy highway, to mark a row of mailboxes that kept getting mowed down.
—
Paige Williams, New Yorker, 18 Aug. 2025
Pictures shared by the IAA show long flint blades that were recovered, as well as the large stone cores that were used to produce them.
—Andrea Margolis, FOXNews.com, 12 Aug. 2025
Some 4,000 years ago, an archer in the Pyrenees mountain range fired a flint arrowhead at another person, advancing on them from behind.
—Aurora Martínez, Smithsonian Magazine, 23 July 2025
After the first challenge on the beach saw the Lagi tribe leave victorious, winning a machete, flint and a pot, the losing Vula and Civa tribes had to send two tribe members to compete for a chance to win those materials.
—Kaycee Sloan, The Enquirer, 2 July 2025
See All Example Sentences for flint
Examples are automatically compiled from online sources to
show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Paige Williams, New Yorker, 18 Aug. 2025
Pictures shared by the IAA show long flint blades that were recovered, as well as the large stone cores that were used to produce them.
—Andrea Margolis, FOXNews.com, 12 Aug. 2025
Some 4,000 years ago, an archer in the Pyrenees mountain range fired a flint arrowhead at another person, advancing on them from behind.
—Aurora Martínez, Smithsonian Magazine, 23 July 2025
After the first challenge on the beach saw the Lagi tribe leave victorious, winning a machete, flint and a pot, the losing Vula and Civa tribes had to send two tribe members to compete for a chance to win those materials.
—Kaycee Sloan, The Enquirer, 2 July 2025
See All Example Sentences for flint
Cite this Entry
“Flint.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flint. Accessed 25 Aug. 2025.
Copy CitationKids Definition
flint
noun1
: a hard dark quartz that produces a spark when struck by steel
2
a
: a piece of flint
b
: an alloy (as of iron and cerium) used for producing a spark in lighters
3
: something very hard
a heart of flint
flintily
adverb
ˈflint-ᵊl-ē
flintiness
noun
ˈflint-ē-nəs
flinty
adjective
-ē
Geographical Definition
Flint
geographical name
1
river 265 miles (426 kilometers) long in western Georgia flowing south and southwest into Lake Seminole
2
city in southeast central Michigan north-northwest of Detroit population 102,434
3
or Flintshire
ˈflint-ˌshir 
administrative area of northeastern Wales bordering England and the Irish Sea area 169 square miles (438 square kilometers), population 152,506
-shər
Biographical Definition
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