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
That is a politically unsustainable arrangement, leading to the polling now showing up in Gallup.
—
Warren Wimmer,
Mercury News,
24 June 2026
In November 2025, the World Bank's first-ever Global Water Monitoring Report estimated the world is losing 324 billion cubic meters of freshwater annually (roughly enough to meet the needs of 280 million people) driven by drought, deforestation and unsustainable land and water management.
—
Chris Morris,
Forbes.com,
23 June 2026
In 2011, the bipartisan Financial Crisis Inquiry Commission determined that the crisis was triggered in part by Greenspan’s failure to discourage trade in securities backed by subprime mortgage loans amid an unsustainable housing boom and his promotion of financial industry deregulation.
—
Daniel Arkin,
NBC news,
22 June 2026
However, even if the agreement holds, the recent sell-off may prove unsustainable in the short term.
—
Sam Meredith,justina Lee,
CNBC,
19 June 2026
See All Example Sentences for unsustainable
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Warren Wimmer,
Mercury News,
24 June 2026
In November 2025, the World Bank's first-ever Global Water Monitoring Report estimated the world is losing 324 billion cubic meters of freshwater annually (roughly enough to meet the needs of 280 million people) driven by drought, deforestation and unsustainable land and water management.
—
Chris Morris,
Forbes.com,
23 June 2026
In 2011, the bipartisan Financial Crisis Inquiry Commission determined that the crisis was triggered in part by Greenspan’s failure to discourage trade in securities backed by subprime mortgage loans amid an unsustainable housing boom and his promotion of financial industry deregulation.
—
Daniel Arkin,
NBC news,
22 June 2026
However, even if the agreement holds, the recent sell-off may prove unsustainable in the short term.
—
Sam Meredith,justina Lee,
CNBC,
19 June 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 25 Jun. 2026.
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