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Definitions

unsustainable

[uhn-suh-stey-nuh-buhl] / ˌʌn səˈsteɪ nə bəl /
ADJECTIVE
not able to be supported in the future
Synonyms
Antonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He sees a high rate of capex acceleration that, he said, is unsustainable in 2027, even if overall spending remains high.

From MarketWatch • Jun. 3, 2026

She quickly acknowledged that the cost of hotel and motel rooms was financially unsustainable and would require the city to purchase its own temporary housing facilities.

From Los Angeles Times • May 27, 2026

On Wednesday, Chris Conway acknowledged cuts to Translink services would be "very disappointing and concerning" for passengers, but said the measures were to "protect Translink from a financially unsustainable position".

From BBC • May 24, 2026

"You have insurance charges, floor charges, and various other levies that make production unsustainable," he told AFP, repeating allegations that contractors collude to keep prices low and "shortchange" producers.

From Barron's • May 15, 2026

Thus language-games do not simply succeed, progress, pay, or prove their worth; they can also become unsustainable if the facts change.

From "The Invention of Science" by David Wootton



Vocabulary lists containing unsustainable


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