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.
With severe labour shortages already affecting the sector, neglecting half the talent pool is unsustainable. Angelica Krystle Donati, Forbes.com, 14 Apr. 2025 This never-ending quest is becoming unsustainable owing to the imbalance in stakes here; most players can respawn at will, but these ones only have one life. Ben Rosenstock, Vulture, 11 Apr. 2025 Trump defended his decision to impose tariffs, saying that the trade situation with U.S. partners was unsustainable and that someone needed to act. Hannah Parry, MSNBC Newsweek, 10 Apr. 2025 The federal budget deficit, currently exceeding 7% of GDP, is unsustainable. Michael Khouw, CNBC, 7 Apr. 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 22 Apr. 2025.

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