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
The Idaho Humane Society has stopped accepting free-roaming rabbits, citing an unsustainable influx.
—
Idaho Statesman, 13 May 2026
Watchdogs and budget experts warn the deficit’s current track is unsustainable, in no small part due to the tens of billions the government is spending on interest to service its debt every single week.
—Tristan Bove, Fortune, 13 May 2026
Gillespie and Wolle recognized this pace was unsustainable, though, and so cut it by 40 percent to allow for rest.
—Literary Hub, 12 May 2026
This is unsustainable, but helping, and refinery margins are immense as long as the Iran war drags on.
—Jim Cramer, CNBC, 11 May 2026
See All Example Sentences for unsustainable
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Idaho Statesman, 13 May 2026
Watchdogs and budget experts warn the deficit’s current track is unsustainable, in no small part due to the tens of billions the government is spending on interest to service its debt every single week.
—Tristan Bove, Fortune, 13 May 2026
Gillespie and Wolle recognized this pace was unsustainable, though, and so cut it by 40 percent to allow for rest.
—Literary Hub, 12 May 2026
This is unsustainable, but helping, and refinery margins are immense as long as the Iran war drags on.
—Jim Cramer, CNBC, 11 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 15 May. 2026.
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