1
as in concurrent
existing or occurring at the same period of time
the Alfred Lunt-Lynn Fontanne partnership was more or less coterminous with Broadway's golden age
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2
as in coinciding
occupying the same space
Massachusetts' Nantucket County isn't quite coterminous with the island of the same name, as the county includes two small nearby islets
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Recent Examples of coterminous
Politics are so digital at this point that the images saved on your phone are seen as coterminous with your personal beliefs.
—
Kyle Chayka, New Yorker, 2 July 2025
While colonial administrators imagined the West to be home to progress, order, and economic development, all of which were imagined as coterminous with whiteness, the East was imagined as its opposite.
—Zachariah Mampilly, Foreign Affairs, 1 Apr. 2025
The nation’s period of domestic bliss was practically coterminous with the presidency of James Monroe, a Democratic-Republican whose landslide victory in 1816 accelerated the Federalist Party’s collapse.
—Eli Wizevich, Smithsonian Magazine, 1 Dec. 2024
From the moment of her father’s death and her subsequent coronation—receiving the Crown of St. Edward on her head, and bearing its almost five pounds of weight upright for the next three hours—the vast dimensions of her status as queen were coterminous with the diminutive dimensions of her person.
—Rebecca Mead, The New Yorker, 30 Sep. 2024
This is a common attitude in competitive Duval County, which is coterminous with Jacksonville.
—Monica Potts, ABC News, 19 July 2024
And the court said that town boundaries and school districts being coterminous is unconstitutional and causes the problem, and that hasn’t changed.
—Alison Cross, Hartford Courant, 17 June 2024
Clearly, then, the gambit is designed to have, coterminous with Trump’s criminal prosecution by the Biden Justice Department’s special counsel, a parallel probe of the Bidens.
—Nr Editors, National Review, 15 Dec. 2023
Kyle Chayka, New Yorker, 2 July 2025
While colonial administrators imagined the West to be home to progress, order, and economic development, all of which were imagined as coterminous with whiteness, the East was imagined as its opposite.
—Zachariah Mampilly, Foreign Affairs, 1 Apr. 2025
The nation’s period of domestic bliss was practically coterminous with the presidency of James Monroe, a Democratic-Republican whose landslide victory in 1816 accelerated the Federalist Party’s collapse.
—Eli Wizevich, Smithsonian Magazine, 1 Dec. 2024
From the moment of her father’s death and her subsequent coronation—receiving the Crown of St. Edward on her head, and bearing its almost five pounds of weight upright for the next three hours—the vast dimensions of her status as queen were coterminous with the diminutive dimensions of her person.
—Rebecca Mead, The New Yorker, 30 Sep. 2024
This is a common attitude in competitive Duval County, which is coterminous with Jacksonville.
—Monica Potts, ABC News, 19 July 2024
And the court said that town boundaries and school districts being coterminous is unconstitutional and causes the problem, and that hasn’t changed.
—Alison Cross, Hartford Courant, 17 June 2024
Clearly, then, the gambit is designed to have, coterminous with Trump’s criminal prosecution by the Biden Justice Department’s special counsel, a parallel probe of the Bidens.
—Nr Editors, National Review, 15 Dec. 2023
Recent Examples of Synonyms for coterminous
Adjective
-
The challenge is that streaming measurements are often calculated differently from traditional television audiences, which are based on average viewers throughout an entire telecast rather than concurrent viewers at specific moments.—
Bobby Burack OutKick,
FOXNews.com,
10 June 2026
-
These plans have a limit of 1,200 concurrent sessions.—
Michael Kan,
PC Magazine,
3 June 2026
Adjective
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Regional banks bounced a bit, still down a couple percent on the week, as Thursday’s flush lower amid a few separate but coincident credit hiccups exacerbated underlying unease with the opaque and possibly lax lending across private credit and among smaller commercial banks.—
Michael Santoli,
CNBC,
17 Oct. 2025
-
The coincident new Moon contributes no light pollution, making 2025 ideal for Orionid viewing.—
Big Think,
Big Think,
13 Oct. 2025
Adjective
-
For his last runway collection, unveiled in September, Michele constructed a parallel universe of side-by-side shows separated by a wall that when lifted revealed twins in identical looks in synchronic stride.—
Colleen Barry,
Fortune,
24 Nov. 2022
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With a lockable synchronic-tilt mechanism and special Z-Shape design, the Kaiser 2 can accommodate a weight up to 180kg, quite a bit more than normal mechanisms on office chairs and the back can be reclined to an angle of 160 degrees which can be locked when not in rocking mode.—
Mark Sparrow,
Forbes,
11 Oct. 2021
Adjective
-
Most crypto tokens have an indirect relationship with the underlying platform activity, but hyperliquid is different.—
Krysta Escobar,
CNBC,
6 June 2026
-
The underlying legislation, also introduced by Meeks, who is the top Democrat on the House Foreign Affairs Committee, passed in a 226 to 195 vote.—
Caitlin Yilek,
CBS News,
5 June 2026
Adjective
-
Its Transporter missions go to Sun-synchronous orbit, and Bandwagon flights launch into mid-inclination orbits.—
Stephen Clark,
ArsTechnica,
29 May 2026
-
The park is also debuting another attraction, the Nighttime Firefly Experience, a new year-round, immersive installation inspired by the Smoky Mountains’ rare synchronous fireflies.—
Carly Caramanna,
Travel + Leisure,
29 May 2026
Adjective
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There were four short docs released under the SNL50 banner, plus Questlove’s Ladies & Gentlemen…50 Years of SNL Music and Brent Hodge’s Downey Wrote That, all on Peacock and boasting myriad overlapping talking heads, filming locations and generally celebratory approaches to the beloved sketch show.—
Daniel Fienberg,
HollywoodReporter,
15 Apr. 2026
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In the past couple years, AI has permeated the music industry in several overlapping but distinct ways.—
Andrew R. Chow,
Time,
27 Mar. 2026
Adjective
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The decision to target Harley-Davidson now is not coincidental, according to Primo.—
Jessica Guynn,
USA Today,
3 June 2026
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The specificity of that result — improvement only in wet conditions — is exactly what an adaptive hypothesis predicts and what a coincidental explanation cannot easily account for.—
Scott Travers,
Forbes.com,
22 May 2026
Adjective
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Beyond this subset of works, the chipmunk paintings are also coextensive with the entire body and thrust of her production.—
Sarah Lehrer-Graiwer,
Artforum,
1 Oct. 2024
-
Being online was not coextensive with being alive.—
Harper’s Magazine ,
Harper’s Magazine ,
22 June 2022
Cite this Entry
“Coterminous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/coterminous. Accessed 12 Jun. 2026.
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