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
Health care spending has been rising at an unsustainable rate.
—
Kaitlyn Schallhorn, Oc Register, 4 May 2026
That model is increasingly unsustainable.
—Glenn Davis, Chicago Tribune, 3 May 2026
With Caballero’s offensive metrics looking potentially unsustainable, the Yankees may be wise to wait until the inevitable regression begins.
—Chris Kirschner, New York Times, 3 May 2026
The budget has grown by over 60% since 2019, and that kind of growth is unsustainable.
—Antonio Villaraigosa, San Diego Union-Tribune, 2 May 2026
See All Example Sentences for unsustainable
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Kaitlyn Schallhorn, Oc Register, 4 May 2026
That model is increasingly unsustainable.
—Glenn Davis, Chicago Tribune, 3 May 2026
With Caballero’s offensive metrics looking potentially unsustainable, the Yankees may be wise to wait until the inevitable regression begins.
—Chris Kirschner, New York Times, 3 May 2026
The budget has grown by over 60% since 2019, and that kind of growth is unsustainable.
—Antonio Villaraigosa, San Diego Union-Tribune, 2 May 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 8 May. 2026.
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