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
Relevance
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of keystone
Setup is effortless thanks to Intelligent Screen Adaption, which features auto-focus, auto-keystone correction, and obstacle avoidance.
—
Juhi Wadia, PC Magazine, 23 Apr. 2026
Kim learned that beavers are a keystone species — an organism that holds an ecosystem together.
—Elizabeth Hernandez, Denver Post, 16 Apr. 2026
In January of 2022, the brand purchased sponsor rights to Chase Field’s keystone feature, then branded it as the Cremily Pool Suite.
—Sam Blum, New York Times, 13 Apr. 2026
The theory of evolution, one of the keystones of modern biological theory, is based on the idea that living things on Earth can be traced back to other preexisting types and that the differences are due to modifications that occurred over successive generations.
—Encyclopedia Britannica, 2 Apr. 2026
See All Example Sentences for keystone
Juhi Wadia, PC Magazine, 23 Apr. 2026
Kim learned that beavers are a keystone species — an organism that holds an ecosystem together.
—Elizabeth Hernandez, Denver Post, 16 Apr. 2026
In January of 2022, the brand purchased sponsor rights to Chase Field’s keystone feature, then branded it as the Cremily Pool Suite.
—Sam Blum, New York Times, 13 Apr. 2026
The theory of evolution, one of the keystones of modern biological theory, is based on the idea that living things on Earth can be traced back to other preexisting types and that the differences are due to modifications that occurred over successive generations.
—Encyclopedia Britannica, 2 Apr. 2026
See All Example Sentences for keystone
Recent Examples of Synonyms for keystone
Noun
-
Adjacent to the ace is franchise cornerstone Yordan Alvarez, captured mid-celebration after his heroic home run in Game 6 of the Houston Astros’ 2022 World Series victory.—
Chandler Rome,
New York Times,
13 May 2026
-
Here was a cornerstone of film history, completely overturned.—
Peter Bogdanovich,
IndieWire,
13 May 2026
Noun
-
Ryan Zeferjahn gave up the first run of the game and walked the bases loaded, but Chase Silseth (1-0) worked out of the jam by getting slugger Nick Kurtz to ground into a game-ending double play.—
Los Angeles Times,
Los Angeles Times,
19 May 2026
-
If multimodality in Omni comes together, these models may eventually form the basis for future Gemini releases to simplify Google’s AI ecosystem.—
ArsTechnica,
ArsTechnica,
19 May 2026
Noun
-
On one of the main topics, Beccera noted that the state needs to invest in early years education and reduce class sizes to ensure students have a strong educational foundation for their future success.—
James Ward,
USA Today,
15 May 2026
-
The Moon in Taurus moves through your 4th House of Home, drawing attention to comfort, family, and emotional foundations.—
Tarot.com,
The Orlando Sentinel,
15 May 2026
Noun
-
The Nile also cuts more deeply into the bedrock and is more confined to the riverbed in Sudan than in Egypt.—
Geoff Emberling,
The Conversation,
19 May 2026
-
Teething challenges notwithstanding, SpaceX is increasingly counting on Starship to be the bedrock of its launch initiatives.—
ArsTechnica,
ArsTechnica,
18 May 2026
Cite this Entry
“Keystone.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/keystone. Accessed 20 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
