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
Just like natural resource extraction, extractive relationships eventually become unsustainable.
—
Margret Grebowicz, Fortune, 13 Feb. 2026
This uncertainty has created an unsustainable barrier to the trade of secondhand apparel goods, SMART said.
—Kate Nishimura, Sourcing Journal, 11 Feb. 2026
As Pluto continues its work in Aquarius, reshaping collective systems and futures, Venus in Pisces reminds us that revolution without tenderness is unsustainable.
—Dossé-Via Trenou, Refinery29, 8 Feb. 2026
Still, no one was really prepared for 2017, when Venezuela’s hyperinflation made daily life unsustainable.
—Daniel Alarcón, New Yorker, 7 Feb. 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.
Margret Grebowicz, Fortune, 13 Feb. 2026
This uncertainty has created an unsustainable barrier to the trade of secondhand apparel goods, SMART said.
—Kate Nishimura, Sourcing Journal, 11 Feb. 2026
As Pluto continues its work in Aquarius, reshaping collective systems and futures, Venus in Pisces reminds us that revolution without tenderness is unsustainable.
—Dossé-Via Trenou, Refinery29, 8 Feb. 2026
Still, no one was really prepared for 2017, when Venezuela’s hyperinflation made daily life unsustainable.
—Daniel Alarcón, New Yorker, 7 Feb. 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 15 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
