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
This Pinot Noir from a cool year vintage aged two years in oak and includes classic Burgundian aromas, including black currants and black cherries as well as some flint and black pepper.
—
Tom Mullen, Forbes.com, 15 June 2025
These pits, filled with pottery, flint pieces and animal bones, may have served ritual purposes rather than just domestic activities.
—Miami Herald, 13 June 2025
Like much of the house, it’s made from an early form of concrete known as no fines, mixed from fragments of flint and fish bones rather than sand.
—Martin Morrell, New York Times, 1 May 2025
During excavations at a site in Ukraine’s Southern Bug Valley, researchers discovered 24 ivory fragments, as well as artifacts made of flint and quartz.
—Sarah Kuta, Smithsonian Magazine, 21 Apr. 2025
See All Example Sentences for flint
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Tom Mullen, Forbes.com, 15 June 2025
These pits, filled with pottery, flint pieces and animal bones, may have served ritual purposes rather than just domestic activities.
—Miami Herald, 13 June 2025
Like much of the house, it’s made from an early form of concrete known as no fines, mixed from fragments of flint and fish bones rather than sand.
—Martin Morrell, New York Times, 1 May 2025
During excavations at a site in Ukraine’s Southern Bug Valley, researchers discovered 24 ivory fragments, as well as artifacts made of flint and quartz.
—Sarah Kuta, Smithsonian Magazine, 21 Apr. 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 2 Jul. 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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