un·​sus·​tain·​able | \ ˌən-sə-ˈstā-nə-bəl How to pronounce unsustainable (audio) \

Definition of unsustainable

: not capable of being prolonged or continued : not sustainable unsustainable agricultural practices unsustainable growth

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Other Words from unsustainable

unsustainability \ ˌən-​sə-​ˌstā-​nə-​ˈbi-​lə-​tē How to pronounce unsustainable (audio) \ noun
unsustainably \ ˌən-​sə-​ˈstā-​nə-​blē How to pronounce unsustainable (audio) \ adverb
an unsustainably high rate of growth

Examples of unsustainable in a Sentence

Recent Examples on the Web But winning without regard to the future is unsustainable and building properly is the only way to enduring success. Dave Birkett, Detroit Free Press, 27 July 2021 Industry executives and economists agree this explosion in home values is unsustainable, as home prices can't go up 20% year-over-year forever. Matt Egan, CNN, 27 July 2021 Those questions are being propelled by the rising costs of recovering from hurricanes and other disasters, which the Government Accountability Office has warned may be unsustainable. New York Times, 24 July 2021 The scammer then tells the senior that their securities and retirement funds aren’t safe because a bank can seize their account, the stock market can crash and interest rates are unsustainable. Natalie Walters, Dallas News, 23 July 2021 Asked why investors would worry about a slowdown when growth rates look so high as to be unsustainable, Weiss suggested that uncertainty can often lead investors to consider a worst-case scenario. CBS News, 19 July 2021 The situation is unsustainable, say Aryé Elfenbein and Justin Kolbeck, cofounders of Wildtype. Jeff Kart, Forbes, 17 June 2021 Challenging that bleak assessment is the fact that the status quo is unsustainable. Star Tribune, 6 July 2021 The situation seems unsustainable, yet investors in fashion stocks face a conundrum: Consumers don’t seem to care. Carol Ryan, WSJ, 21 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unsustainable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unsustainable

circa 1677, in the meaning defined above

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Time Traveler for unsustainable

Time Traveler

The first known use of unsustainable was circa 1677

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Last Updated

31 Jul 2021

Cite this Entry

“Unsustainable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsustainable. Accessed 31 Jul. 2021.

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English Language Learners Definition of unsustainable

: not able to last or continue for a long time : not sustainable

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