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
The two-story apartment house, with pink stripes that race around the facade of pink keystone and white stucco, curves around an immaculate courtyard dominated by a date palm and strangler fig tree.
—
Miami Herald Archives, Miami Herald, 27 Feb. 2026
Advertisement As such, the People’s Party was forced to sidestep this keystone issue in its latest campaign.
—Charlie Campbell, Time, 9 Feb. 2026
Just trying to get to the keystones in this instance.
—Lance Eliot, Forbes.com, 24 Jan. 2026
The action ties together seven independent local affiliates in the state, including one in Orlando, and is expected to be the keystone for additional units.
—Orlando Sentinel Staff, The Orlando Sentinel, 19 Jan. 2026
See All Example Sentences for keystone
Miami Herald Archives, Miami Herald, 27 Feb. 2026
Advertisement As such, the People’s Party was forced to sidestep this keystone issue in its latest campaign.
—Charlie Campbell, Time, 9 Feb. 2026
Just trying to get to the keystones in this instance.
—Lance Eliot, Forbes.com, 24 Jan. 2026
The action ties together seven independent local affiliates in the state, including one in Orlando, and is expected to be the keystone for additional units.
—Orlando Sentinel Staff, The Orlando Sentinel, 19 Jan. 2026
See All Example Sentences for keystone
Recent Examples of Synonyms for keystone
Noun
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Plus, some of the players Colorado is counting on to be cornerstones are off to terrible starts.—
Patrick Saunders,
Denver Post,
8 Apr. 2026
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How could the Bruins allow the cornerstone of the program’s future to just walk out the door?—
Los Angeles Times,
Los Angeles Times,
7 Apr. 2026
Noun
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Alex Vesia walked pinch-hitter Davis Schneider to load the bases, then retired the next three batters.—
CBS News,
CBS News,
8 Apr. 2026
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Centennial loaded the bases with 2 singles and an error before the Owls got the next 2 batters to strike out.—
Darren Lauber,
Fort Worth Star-Telegram,
8 Apr. 2026
Noun
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With roster movement already underway and a top-25 recruiting class incoming, the season that just concluded serves as a foundation rather than a finished product.—
Aaron Segal,
Kansas City Star,
4 Apr. 2026
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And both reckon with the extent to which historical ignorance and the calculated distortion of the past threaten the foundation on which our country was built.—
Francine Prose,
The New York Review of Books,
4 Apr. 2026
Noun
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For traditionalists, this link is not merely ceremonial but is the foundational bedrock of British identity.—
Michael Saunders,
FOXNews.com,
5 Apr. 2026
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Cenotes are freshwater sinkhole caves formed from the collapse of limestone bedrock.—
Ryan Brennan
April 4,
Miami Herald,
4 Apr. 2026
Cite this Entry
“Keystone.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/keystone. Accessed 10 Apr. 2026.
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