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
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
Bison are a keystone species to North American prairies.
—Fort Worth Star-Telegram, 29 Apr. 2026
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
See All Example Sentences for keystone
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
Bison are a keystone species to North American prairies.
—Fort Worth Star-Telegram, 29 Apr. 2026
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
See All Example Sentences for keystone
Recent Examples of Synonyms for keystone
Noun
-
Hirsch is also the founder and owner of comedy club Carolines on Broadway, a cornerstone of the comedy world for more than four decades.—
William Earl,
Variety,
17 June 2026
-
Originally envisioned as a franchise cornerstone who could lock down the middle of the Giants order for years to come, Devers’ time in San Francisco has not lived up to expectations.—
Mac Cerullo,
Boston Herald,
16 June 2026
Noun
-
Chicago trailed 4-3 in the ninth inning before Pedro Ramírez hit an RBI single off Seth Halvorsen with the bases loaded and nobody out.—
ABC News,
ABC News,
16 June 2026
-
Second baseman Pedro Ramirez connected for an RBI single with the bases loaded and nobody out to tie things up at 4-4.—
Mark Harris OutKick,
FOXNews.com,
16 June 2026
Noun
-
Especially Melanie, who was crying her foundation off before the vote was even announced.—
Bethy Squires,
Vulture,
13 June 2026
-
Regular caffeine consumption changes the way your brain responds to it, and that’s the foundation of tolerance.—
Samantha Agate,
Kansas City Star,
12 June 2026
Noun
-
The weathering of bedrock depends, in part, on temperature.—
Scott K. Johnson,
ArsTechnica,
15 June 2026
-
But far from celebrating or sanctifying the throwing off of English rule, the story’s shocking ending portrays the patriots as a fiendish mob, and casts doubt on the bedrock American faith in prosperity.—
John Swansburg,
The Atlantic,
15 June 2026
Cite this Entry
“Keystone.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/keystone. Accessed 19 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
