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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.

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Raman contends that Bass’ signature program Inside Safe, which dismantles encampments and moves people living there into motels, hotels and interim housing, is overly expensive and unsustainable.

From Los Angeles Times Aug. 23, 2026

Still, $40 trillion is a big number, likely to at least briefly draw attention to what economists broadly agree is an unsustainable fiscal trajectory.

From The Wall Street Journal Aug. 19, 2026

Penn’s budget quants estimate that at the current trajectory, the U.S. national debt will become unsustainable in about 20 years.

From MarketWatch Aug. 19, 2026

An open letter coordinated by the campaign group Rethink Repayment says the current set-up places an "unsustainable burden on the next generation of workers".

From BBC Aug. 5, 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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