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
Throughout the Knife Edge series, more than one chef actually abandons the Michelin race before the awards are announced, recognizing the unsustainable toll on their families, health, and even the restaurant’s bottom line.
—
Laurie Woolever, Rolling Stone, 11 Oct. 2025
However, their current takeaway rate is unsustainable.
—Ted Nguyen, New York Times, 11 Oct. 2025
Decades of conservation action have mainly focused on protecting nesting females and their eggs and curtailing trade and the unsustainable harvest of turtles and their eggs.
—Nell Lewis, CNN Money, 10 Oct. 2025
For weeks, all the talk on Wall Street is that the growth of the AI sector must, surely, be unsustainable and that this bubble is due to pop.
—Jim Edwards, Fortune, 9 Oct. 2025
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 Woolever, Rolling Stone, 11 Oct. 2025
However, their current takeaway rate is unsustainable.
—Ted Nguyen, New York Times, 11 Oct. 2025
Decades of conservation action have mainly focused on protecting nesting females and their eggs and curtailing trade and the unsustainable harvest of turtles and their eggs.
—Nell Lewis, CNN Money, 10 Oct. 2025
For weeks, all the talk on Wall Street is that the growth of the AI sector must, surely, be unsustainable and that this bubble is due to pop.
—Jim Edwards, Fortune, 9 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 20 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share