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
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
So, without hands-on, structural reform, the debt path is mathematically unsustainable, and the continuation of the inflation risk described by Boccia and Lett is all but certain.
—Veronique De Rugy, Oc Register, 25 Apr. 2026
This is because the mass of unsustainable brands outweighs sustainable ones.
—Andre Claudio, Footwear News, 23 Apr. 2026
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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
So, without hands-on, structural reform, the debt path is mathematically unsustainable, and the continuation of the inflation risk described by Boccia and Lett is all but certain.
—Veronique De Rugy, Oc Register, 25 Apr. 2026
This is because the mass of unsustainable brands outweighs sustainable ones.
—Andre Claudio, Footwear News, 23 Apr. 2026
See All Example Sentences for unsustainable
Cite this Entry
“Unsustainable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsustainable. Accessed 30 Apr. 2026.
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