as in cornerstone
an immaterial thing upon which something else rests
a sense of history is the keystone to the city's draw as a tourist destination
Synonyms & Similar Words
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Example Sentences
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Recent Examples of keystone
And for United Airlines CEO Scott Kirby, a keystone habit for leading the $30 billion airline is taking a 20-minute nap on the floor, which his staff initially found bizarre.
—
Julian Hayes Ii,
Forbes.com,
22 May 2026
The mammals were once known as a keystone species of the Great Plains ecosystem.
—
Julia Gomez,
USA Today,
6 May 2026
But the Cuyahoga River combusting due to pollutants from corporate dumping was one of the keystone events in the creation of the Environmental Protection Agency.
—
Chicago Tribune,
4 May 2026
An optical-first keystone design is only one part of the projector's full optical image optimization suite.
—
Paul Ridden
may 01,
New Atlas,
1 May 2026
See All Example Sentences for keystone
Julian Hayes Ii,
Forbes.com,
22 May 2026
The mammals were once known as a keystone species of the Great Plains ecosystem.
—
Julia Gomez,
USA Today,
6 May 2026
But the Cuyahoga River combusting due to pollutants from corporate dumping was one of the keystone events in the creation of the Environmental Protection Agency.
—
Chicago Tribune,
4 May 2026
An optical-first keystone design is only one part of the projector's full optical image optimization suite.
—
Paul Ridden
may 01,
New Atlas,
1 May 2026
See All Example Sentences for keystone
Recent Examples of Synonyms for keystone
Noun
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After helping Boston win two World Series titles, Lester joined the Cubs and became a cornerstone of Chicago’s historic championship run in 2016.
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Food and drink Seasonality and local sourcing are the cornerstones of Indigo, the main restaurant that sits on a mezzanine floor overlooking the lobby bar.
Noun
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Dominic Canzone and Randy Arozarena walked to load the bases with one out before Josh Naylor struck out swinging.
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The Michigan High School Athletic Association (MHSAA) evaluates transgender student participation on a case-by-case basis, generally supporting inclusion while lacking a statewide legislative ban.
Noun
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Caracas, Venezuela — Venezuela was broken long before two back-to-back earthquakes ripped the country from its foundations last Wednesday.
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The foundation recommended ballot curing programs that speed up the process by utilizing a secure text platform when double checking whether a ballot is legitimate when a voter’s signature doesn’t match state records.
Noun
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When reunited in New York, that existing chemistry became the cultural bedrock of the entire locker room.
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Customer trust is the bedrock of any successful business, preventing churn and ensuring longevity.
Cite this Entry
“Keystone.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/keystone. Accessed 5 Jul. 2026.
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