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
And for United Airlines CEO Scott Kirby, a keystone habit for leading the $30 billion airline is taking a 20-minute nap on the floor, which his staff initially found bizarre.
—
Julian Hayes Ii,
Forbes.com,
22 May 2026
The mammals were once known as a keystone species of the Great Plains ecosystem.
—
Julia Gomez,
USA Today,
6 May 2026
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
See All Example Sentences for keystone
Julian Hayes Ii,
Forbes.com,
22 May 2026
The mammals were once known as a keystone species of the Great Plains ecosystem.
—
Julia Gomez,
USA Today,
6 May 2026
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
See All Example Sentences for keystone
Recent Examples of Synonyms for keystone
Noun
-
After helping Boston win two World Series titles, Lester joined the Cubs and became a cornerstone of Chicago’s historic championship run in 2016.
-
Food and drink Seasonality and local sourcing are the cornerstones of Indigo, the main restaurant that sits on a mezzanine floor overlooking the lobby bar.
Noun
-
Dominic Canzone and Randy Arozarena walked to load the bases with one out before Josh Naylor struck out swinging.
-
The Michigan High School Athletic Association (MHSAA) evaluates transgender student participation on a case-by-case basis, generally supporting inclusion while lacking a statewide legislative ban.
Noun
-
The foundation helped raise more than $200,000 to pay off school lunch debt for students, gave out turkeys to families during the holidays and provided resources to those impacted by gun violence.
-
The actor says the group of actors, led by Elle Woods herself, Lexi Minetree, developed a solid foundation with each other and in themselves filming the next season before the first had aired.
Noun
-
America’s 13 original colonies were teeming with adventurous foreigners who formed the bedrock of our dynamic economy and democracy.
-
Goodness knows when younger people will be able to buy a home, once considered the bedrock of achieving the American dream.
Cite this Entry
“Keystone.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/keystone. Accessed 7 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
