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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Recent Examples of keystone
That does seem like a keystone way to navigate your startup.
—
Neil Senturia, San Diego Union-Tribune, 22 Dec. 2025
Under the majority ownership of Southwind Group, which houses China’s Hontai Capital, Grup Mediapro’s main challenge currently, the loss of a keystone contract to produce and transmit soccer games with La Liga, is of another order.
—John Hopewell, Variety, 15 Dec. 2025
Setup is a breeze, with auto-focus and auto-keystone settings that actually work.
—Clint Davis, PEOPLE, 28 Nov. 2025
And how exactly does that fit into the equation of the keystones of our survival?
—Outside Online, 12 Nov. 2025
See All Example Sentences for keystone
Neil Senturia, San Diego Union-Tribune, 22 Dec. 2025
Under the majority ownership of Southwind Group, which houses China’s Hontai Capital, Grup Mediapro’s main challenge currently, the loss of a keystone contract to produce and transmit soccer games with La Liga, is of another order.
—John Hopewell, Variety, 15 Dec. 2025
Setup is a breeze, with auto-focus and auto-keystone settings that actually work.
—Clint Davis, PEOPLE, 28 Nov. 2025
And how exactly does that fit into the equation of the keystones of our survival?
—Outside Online, 12 Nov. 2025
See All Example Sentences for keystone
Recent Examples of Synonyms for keystone
Noun
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Washington — The Federal Reserve’s ability to set interest rates without political interference — a cornerstone of US economic policy — is at stake this week in a pivotal Supreme Court case on presidential power.—
Bryan Mena,
CNN Money,
21 Jan. 2026
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Breslin’s piece became a cornerstone of American journalism, and a perennial meditation on dignity, service, and the power of finding a human story.—
Harrison Monarth,
Forbes.com,
21 Jan. 2026
Noun
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Robinhood's Cortex is plugged into live market feeds, analyst ratings, and each user's portfolio down to cost basis.—
Boaz Sobrado,
Forbes.com,
21 Jan. 2026
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Hosts who rent out their entire home on a short-term basis are already required to pay a two-year license fee of $1,129, money that goes toward the cost of enforcing the city’s vacation rental regulations.—
Lori Weisberg,
San Diego Union-Tribune,
21 Jan. 2026
Noun
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Their rosters almost all include a stable foundation of offensive weapons.—
Gladys Louise Tyler,
Forbes.com,
24 Jan. 2026
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Using cranes, they will be stacked on the prepared foundation and assembled into an apartment complex that, once wrapped with a facade and landscaped, looks like any other, Peinemann said.—
Heather McRea,
Oc Register,
23 Jan. 2026
Noun
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Visitors are invited to explore this archeological site to experience native gardens, artifacts, ramadas, a replica Kumeyaay village, and ancient bedrock mortars.—
Pomerado News,
San Diego Union-Tribune,
15 Jan. 2026
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The Great Sphinx of Giza, Egypt The Great Sphinx of Giza measures 240 feet long and 66 feet high, carved directly from limestone bedrock.—
Atharva Gosavi,
Interesting Engineering,
15 Jan. 2026
Cite this Entry
“Keystone.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/keystone. Accessed 28 Jan. 2026.
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