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
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Other concurrent charges include the five misdemeanors and the two counts of stalking.—
Maya Wilkins,
Chicago Tribune,
5 Mar. 2026
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Missouri would be the only state in the country with such a requirement, called a concurrent majority, according to a review of state ballot measure rules compiled by the National Conference of State Legislatures.—
Kacen Bayless,
Kansas City Star,
4 Mar. 2026
Adjective
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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
-
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
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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
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The coincident new Moon contributes no light pollution, making 2025 ideal for Orionid viewing.—
Big Think,
Big Think,
13 Oct. 2025
Adjective
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Kairos can deliver up to 330 pounds (150 kilograms) of payload to sun-synchronous orbit, according to Space One.—
Mike Wall,
Space.com,
3 Mar. 2026
-
No synchronous online classes will be held.—
Eryn Dion,
The Providence Journal,
24 Feb. 2026
Adjective
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But the use of chatbots — the same underlying technology that billions use for mundane tasks like writing emails — is now being used on the battlefield.—
Parmy Olson,
Mercury News,
7 Mar. 2026
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Companies like Strategy further amplify these dynamics by layering leverage on top of already volatile underlying assets.—
Mariana Trujillo,
Oc Register,
6 Mar. 2026
Adjective
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This, surely, was not coincidental — these, plus the quarterfinals and round of 16, are the games that account for huge chunks of lottery entries and interest, even at FIFA’s prices.—
Henry Bushnell,
New York Times,
2 Mar. 2026
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TxDOT spokesman Brad Wheelis told the American-Statesman on Wednesday that the timing of the repairs is coincidental and was not accelerated in response to the viral posts.—
Alex Driggars,
Austin American Statesman,
26 Feb. 2026
Adjective
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Its dealers also have non-overlapping territories, which reduces competition, according to the complaints.—
Kelli Arseneau,
jsonline.com,
26 Feb. 2026
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In the 1800s, for example, the German philosopher Georg Wilhelm Friedrich Hegel used the term Zeitgeist—the spirit of times—to refer to such ubiquitous and overlapping influences that operate across both macro and micro levels.—
Maria Balaska,
Time,
20 Dec. 2025
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
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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 Mar. 2026.
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