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Showing results for unsustainable.
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.

The spending growth looks increasingly unsustainable, even with Meta’s revenue growing strongly.

From The Wall Street Journal • May 5, 2026

“It’s unsustainable as it is to spend this much, and I think everyone recognizes that,” he said.

From Los Angeles Times • May 1, 2026

Reform UK said concerns raised were "warranted" and the workload was "unsustainable for teachers", while Plaid Cymru said reviewing the "suitability" of qualifications would be one of its "main priorities".

From BBC • Apr. 30, 2026

The three countries were on unsustainable debt paths even before the war.

From Barron's • Apr. 28, 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