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
In jewelry, new doesn’t always mean unsustainable. —
Laurie Brookins, HollywoodReporter, 22 Apr. 2026 At that time, Meta's stock was in freefall and the company was struggling to correct for COVID-era growth assumptions that ultimately proved unsustainable. —Katie Paul, USA Today, 19 Apr. 2026 Neither public sector employees nor anyone else will really benefit when New York ends up billions of dollars in the hole partly as a result of overly rosy long-term projections and unsustainable promises. —New York Daily News Editorial Board, New York Daily News, 19 Apr. 2026 And, of course, the energy of the movement proved unsustainable. —Hanif Abdurraqib, New Yorker, 17 Apr. 2026 See All Example Sentences for unsustainable
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.
Laurie Brookins, HollywoodReporter, 22 Apr. 2026 At that time, Meta's stock was in freefall and the company was struggling to correct for COVID-era growth assumptions that ultimately proved unsustainable. —Katie Paul, USA Today, 19 Apr. 2026 Neither public sector employees nor anyone else will really benefit when New York ends up billions of dollars in the hole partly as a result of overly rosy long-term projections and unsustainable promises. —New York Daily News Editorial Board, New York Daily News, 19 Apr. 2026 And, of course, the energy of the movement proved unsustainable. —Hanif Abdurraqib, New Yorker, 17 Apr. 2026 See All Example Sentences for unsustainable
Cite this Entry
“Unsustainable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/unsustainable. Accessed 26 Apr. 2026.
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