unsustainable

adjective

un·​sus·​tain·​able ˌən-sə-ˈstā-nə-bəl How to pronounce unsustainable (audio)
: not capable of being prolonged or continued : not sustainable
unsustainable agricultural practices
unsustainable growth
unsustainability noun
unsustainably adverb
an unsustainably high rate of growth

Examples of unsustainable in a Sentence

Recent Examples on the Web
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.
But today's skeptical executives overlook the fact that many of these changes, like reasonable work hours, flexibility, and purpose, are healthy corrections to unsustainable workplace practices that weren't particularly effective anyway. Tracy Lawrence, Forbes.com, 13 June 2025 Shaw rightly calls out the bad players and their complete lack of integrity when dealing with their unsustainable bloated budgets. Chicago Tribune, 13 June 2025 The program’s critics have argued that its cost is unsustainable, as seniors who make up to $500,000 per year can benefit from the program. Annabella Rosciglione, The Washington Examiner, 10 June 2025 However, analysts warn the cycle of trade disruption and federal compensation is not only unsustainable but damaging to the long-term health of American agriculture. Sonal Nain, MSNBC Newsweek, 7 June 2025 See All Example Sentences for unsustainable

Word History

First Known Use

circa 1677, in the meaning defined above

Time Traveler
The first known use of unsustainable was circa 1677

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Cite this Entry

“Unsustainable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsustainable. Accessed 18 Jun. 2025.

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