as in unsupportable
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Recent Examples of unsustainable
Superintendent Rob Anderson said those costs are becoming unsustainable, especially as enrollment declines.
—
Sarah Horbacewicz, CBS News, 28 Apr. 2026
Given the escalating climate risks across the country, Harrison Langley, CEO of MDLR Brands, believes that traditional on-site building is unsustainable.
—Vanessa Romo, NPR, 27 Apr. 2026
This is because the mass of unsustainable brands outweighs sustainable ones.
—Andre Claudio, Footwear News, 23 Apr. 2026
Germany stands firm in phasing it out Decades of anti-nuclear protests in Germany, stoked by past accidents, had pressured successive governments to end using a technology that critics saw as unsafe and unsustainable.
—Vladimir Isachenkov, Los Angeles Times, 23 Apr. 2026
See All Example Sentences for unsustainable
Sarah Horbacewicz, CBS News, 28 Apr. 2026
Given the escalating climate risks across the country, Harrison Langley, CEO of MDLR Brands, believes that traditional on-site building is unsustainable.
—Vanessa Romo, NPR, 27 Apr. 2026
This is because the mass of unsustainable brands outweighs sustainable ones.
—Andre Claudio, Footwear News, 23 Apr. 2026
Germany stands firm in phasing it out Decades of anti-nuclear protests in Germany, stoked by past accidents, had pressured successive governments to end using a technology that critics saw as unsafe and unsustainable.
—Vladimir Isachenkov, Los Angeles Times, 23 Apr. 2026
See All Example Sentences for unsustainable
Recent Examples of Synonyms for unsustainable
Adjective
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Currah’s opinion piece is wrong on the facts, the law, and the science, and reaches unsupportable conclusions.—
Paisley Currah,
The New York Review of Books,
18 Dec. 2025
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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
Adjective
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But MetroCard and cash payments were unverifiable for the teams, which are equipped with handheld readers that can ascertain whether an OMNY card, bank card or smartphone has recently been used to pay a fare.—
Evan Simko-Bednarski,
New York Daily News,
27 Apr. 2026
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Researchers contend with a patchwork of numbers Figures the administration has released are inconsistent and unverifiable.—
Rebecca Santana,
Los Angeles Times,
16 Mar. 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 10 May. 2026.
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