unsustainable
adjective
un·sus·tain·able
ˌən-sə-ˈstā-nə-bəl 
: not capable of being prolonged or continued : not sustainable
unsustainable agricultural practices
unsustainable growth
Examples of unsustainable in a Sentence
Recent Examples on the Web
His present rate of scoring relative to the volume of chances he is being presented with feels unsustainable.
—
Chris Waugh, New York Times, 7 Oct. 2025
Although those companies have driven enormous market gains over the past several years, many Wall Street analysts fear that the AI market has become a bubble — powered by unsustainable gains that are driven more by FOMO than fundamentals.
—David Goldman, CNN Money, 6 Oct. 2025
This gives buyers more negotiating power—especially when facing pricing that is unsustainable under the current market conditions.
—Giulia Carbonaro, MSNBC Newsweek, 3 Oct. 2025
After the war, my father and his scientist colleagues warned that dams and water-intensive farming were unsustainable in a warming climate.
—Nik Kowsar, Time, 2 Oct. 2025
See All Example Sentences for unsustainable
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Chris Waugh, New York Times, 7 Oct. 2025
Although those companies have driven enormous market gains over the past several years, many Wall Street analysts fear that the AI market has become a bubble — powered by unsustainable gains that are driven more by FOMO than fundamentals.
—David Goldman, CNN Money, 6 Oct. 2025
This gives buyers more negotiating power—especially when facing pricing that is unsustainable under the current market conditions.
—Giulia Carbonaro, MSNBC Newsweek, 3 Oct. 2025
After the war, my father and his scientist colleagues warned that dams and water-intensive farming were unsustainable in a warming climate.
—Nik Kowsar, Time, 2 Oct. 2025
See All Example Sentences for unsustainable
Cite this Entry
“Unsustainable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsustainable. Accessed 8 Oct. 2025.
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