Definition of coterminousnext
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

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

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

Synonyms & Similar Words

Antonyms & Near Antonyms

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 coterminous Crowned at Rome by Pope Leo III, Charlemagne ruled a Christian empire that was nearly coterminous with Western Christendom. Britannica Editors, Encyclopedia Britannica, 24 July 2026 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 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
Recent Examples of Synonyms for coterminous
Adjective
  • Murdaugh separately pleaded guilty to dozens of financial crimes and is serving concurrent state and federal sentences of 27 and 40 years.
    Devon M. Sayers, CNN Money, 14 Aug. 2026
  • As the tech forecasters work to make their systems ever more sophisticated, the concurrent use of both methods is likely to continue for some time.
    Reuters, NBC news, 11 Aug. 2026
Adjective
  • Accelerating human evolution coincident with the development of agriculture increased redheadedness and decreased male-pattern baldness.
    Ann Manov, Harpers Magazine, 23 June 2026
  • In a separate announcement, but with coincident timing, WestJet also announced a stopover plan in Calgary.
    Don Tse, Forbes.com, 23 June 2026
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
Adjective
  • The electrical response could therefore be switched without substantially changing the material’s underlying magnetic interactions.
    Neetika Walter, Interesting Engineering, 12 Aug. 2026
  • Saft was equally unsparing about the underlying assessment math, which values co-ops and condominiums differently than houses.
    Catherina Gioino, Fortune, 11 Aug. 2026
Adjective
  • Satellites operating in sun-synchronous orbit receive steady solar energy, providing a consistent power source without depending on Earth’s electrical grid.
    Aamir Khollam, Interesting Engineering, 4 Aug. 2026
  • The three-stage rocket is designed to deliver a payload of up to 1,300 kg to a Sun-synchronous orbit.
    Eric Berger, ArsTechnica, 31 July 2026
Adjective
  • Recent teammates mostly function as an information pipeline, while older, non-overlapping alumni may be shaping how recruiters and HR assess candidates who share their team affiliation, rather than simply passing along a tip.
    Mia Osmonbekov, Fortune, 1 Aug. 2026
  • Instead, their ranges formed what researchers describe as a mosaic of separate, non-overlapping distributions.
    Melissa Cristina Márquez, Forbes.com, 25 June 2026
Adjective
  • Death penalty observers say that double or triple executions are purely coincidental timing.
    Amanda Lee Myers, USA Today, 13 Aug. 2026
  • Ultimately, GLP-1s are turning out to be metabolic and inflammatory drugs that happen to cause weight loss, rather than weight loss drugs with a long list of coincidental improvements.
    Jesse M. Pines, Forbes.com, 10 Aug. 2026
Adjective
  • 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
  • How can its digital platforms become coextensive with its in-person programming, without losing the uniqueness of each?
    New York Times, New York Times, 21 May 2021

Browse Nearby Words

Cite this Entry

“Coterminous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/coterminous. Accessed 18 Aug. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster