unsustainable

adjective
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

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 That was growth that even Netflix said at the time was unsustainable, though the company didn’t seem to have envisioned the reverse possibility. Dan Gallagher, WSJ, 26 Aug. 2022 He's needed elsewhere — a colleague's appetites have become unsustainable. Andrew Walsh, EW.com, 25 July 2022 Anything over, experts say, can become unsustainable. Amber Randall, sun-sentinel.com, 2 Dec. 2021 That expectation, analysts say, was unsustainable, and the streaming giants have recognized that. The Week Staff, The Week, 20 Aug. 2022 The sheer pace of their output was astonishing, and, inevitably, unsustainable. Elizabeth Nelson, WSJ, 19 Aug. 2022 Their workload fell on the remaining Hongs, which proved unsustainable — especially for Mamma-Soon, who was then in her mid-80s. Los Angeles Times, 21 July 2022 For the past week, Celsius CEO Alex Mashinsky has insisted there were no problems with his crypto lending platform, even as many users complained about being unable to withdraw funds and others called the business unsustainable. Marco Quiroz-gutierrez, Fortune, 13 June 2022 For buyers and sellers 'Absolutely unsustainable': Jump in Louisville home values may be sign of things to come — In 2021, reassessed property values in Louisville rose on average at a rate between 10% and 14%. Matthew Glowicki, The Courier-Journal, 5 June 2022 See More

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.

First Known Use of unsustainable

circa 1677, in the meaning defined above

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Time Traveler

The first known use of unsustainable was circa 1677

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Dictionary Entries Near unsustainable

unsuspicious

unsustainable

unsustained

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Last Updated

17 Sep 2022

Cite this Entry

“Unsustainable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsustainable. Accessed 24 Sep. 2022.

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