as in unsupportable
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Recent Examples of unsustainable
There was some speculation — and accompanying concern from fans — that that could happen at the start of the offseason given owner Hal Steinbrenner’s prior remarks about such a figure being unsustainable.
—
Gary Phillips, New York Daily News, 22 Jan. 2026
The current trajectory for college sports is unsustainable.
—Sheldon H. Jacobson, Chicago Tribune, 21 Jan. 2026
Just as too-tight policy can needlessly slow growth and add to unemployment, too-loose policy pushes the economy beyond its productive capacity, lowering unemployment to an unsustainable level and driving up wages and prices.
—Howard Schneider, USA Today, 19 Jan. 2026
Rising construction costs and natural disasters made the guarantee unsustainable, said Worters, while capping payouts helps insurers remain solvent and keep rates down.
—Bloomberg, Mercury News, 16 Jan. 2026
See All Example Sentences for unsustainable
Gary Phillips, New York Daily News, 22 Jan. 2026
The current trajectory for college sports is unsustainable.
—Sheldon H. Jacobson, Chicago Tribune, 21 Jan. 2026
Just as too-tight policy can needlessly slow growth and add to unemployment, too-loose policy pushes the economy beyond its productive capacity, lowering unemployment to an unsustainable level and driving up wages and prices.
—Howard Schneider, USA Today, 19 Jan. 2026
Rising construction costs and natural disasters made the guarantee unsustainable, said Worters, while capping payouts helps insurers remain solvent and keep rates down.
—Bloomberg, Mercury News, 16 Jan. 2026
See All Example Sentences for unsustainable
Recent Examples of Synonyms for unsustainable
Adjective
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The venerable but troubled outlet has been for sale since its previous owners ran up unsupportable debts and were removed in 2023.—
Tom Chivers,
semafor.com,
24 Nov. 2025
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Remote work, low rates, and investor FOMO drove prices to unsupportable highs.—
Suzanne Blake,
MSNBC Newsweek,
31 July 2025
Adjective
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The claims, unverifiable and frankly implausible, echo Chalabi’s fantastical assertions about Iraqi army units ready to desert Saddam.—
Bobby Ghosh,
Time,
9 Jan. 2026
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Drop the unverifiable boxing deliveries, and the NFL has bragging rights to 84 of the top 100 events on the list.—
Anthony Crupi,
Sportico.com,
6 Jan. 2026
Adjective
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Researchers already had reason to believe that the pigeonhole principle can’t be proved from the axioms of PV1 alone, so Li, Chen and Oliveira’s results imply that their other equivalent theorems are also likely unprovable in PV1.—
Ben Brubaker,
Quanta Magazine,
1 Dec. 2025
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Given that many of Epstein’s correspondents are redacted and that threads start and stop randomly, many of the emails are perfect building blocks for constructing plausible but ultimately unprovable narratives.—
Charlie Warzel,
The Atlantic,
14 Nov. 2025
Cite this Entry
“Unsustainable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsustainable. Accessed 29 Jan. 2026.
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