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
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Example Sentences
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Recent Examples of keystone
The administration's extraordinary action would remove a keystone of the country's climate regulation just as the world experiences unprecedented heat and climate-driven extreme weather disasters.
—
Jeff Young, MSNBC Newsweek, 1 Sep. 2025
For many clients, something as simple as a daily walk becomes a keystone habit that influences sleep, stress levels, food choices, and energy throughout the day.
—Malana Vantyler, USA Today, 27 Aug. 2025
The New Yorker’s founding editor, Harold Ross, regarded The Talk of the Town as the keystone of each issue, and sent as much of it as possible through White’s typewriter.
—Nathan Heller, New Yorker, 24 Aug. 2025
At the time it was considered the keystone in Oceanside’s downtown renaissance, part of an effort to bring more people and commercial activity to the area.
—Phil Diehl, San Diego Union-Tribune, 7 Aug. 2025
See All Example Sentences for keystone
Jeff Young, MSNBC Newsweek, 1 Sep. 2025
For many clients, something as simple as a daily walk becomes a keystone habit that influences sleep, stress levels, food choices, and energy throughout the day.
—Malana Vantyler, USA Today, 27 Aug. 2025
The New Yorker’s founding editor, Harold Ross, regarded The Talk of the Town as the keystone of each issue, and sent as much of it as possible through White’s typewriter.
—Nathan Heller, New Yorker, 24 Aug. 2025
At the time it was considered the keystone in Oceanside’s downtown renaissance, part of an effort to bring more people and commercial activity to the area.
—Phil Diehl, San Diego Union-Tribune, 7 Aug. 2025
See All Example Sentences for keystone
Recent Examples of Synonyms for keystone
Noun
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These results could pave the way for more efficient and durable solar tower systems, a cornerstone of next-generation renewable energy infrastructure.—
Atharva Gosavi,
Interesting Engineering,
4 Nov. 2025
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If his forecast proves right, the Mavericks may have found not just their next franchise cornerstone, but the kind of talent even Kevin Durant believes could define an era.—
Grant Afseth,
MSNBC Newsweek,
4 Nov. 2025
Noun
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National Guard troops have been staging at Portland training bases for weeks while the legal case plays out, having been activated to protect federal officials and an Immigration and Customs Enforcement facility that has been the focal point of daily protests since June.—
Danya Gainor,
CNN Money,
3 Nov. 2025
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The basis of the action is that artists with accurate streaming data suffer when others have inflated figures, because their proportional share of Spotify’s royalty pool shrinks.—
Jazz Monroe,
Pitchfork,
3 Nov. 2025
Noun
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As part of its tax-exempt status, the foundation is prohibited from endorsing political candidates and, generally, must be nonpartisan in its activities.—
Bill Barrow,
Fortune,
25 Oct. 2025
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Michelle encourages people to not just wear the color pink or purchase products at the register, but to ensure the foundations and organizations receiving your money actually use it to support breast cancer research.—
Ariel Nagi,
PEOPLE,
25 Oct. 2025
Noun
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Mom worked multiple jobs while Papa, a Marine, and Tutu helped raise the little girl, instilling a deep faith in her that remains a bedrock to this day.—
Tatiana Siegel,
Variety,
28 Oct. 2025
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If Yesavage returns for a Game 5 start, the rookie will need the bat-missing, bedrock splitter back in his pitch mix.—
Fabian Ardaya,
New York Times,
25 Oct. 2025
Cite this Entry
“Keystone.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/keystone. Accessed 8 Nov. 2025.
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