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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.

See Examples For:

The Glasgow-based company has cut the number of performances of its winter production to 17 in December, citing the "unsustainable economics of touring to Edinburgh".

From BBC Jul. 23, 2026

He's been losing about £40 for each animal he sells, meaning his weekly loss is around £10,000 which he describes as unsustainable.

From BBC Jul. 10, 2026

Central to this process is the effect of unsustainable valuations and price volatility on the flow of funds.

From MarketWatch Jul. 9, 2026

After decades of eating too much unhealthy food, the average middle-aged American is living with multiple chronic conditions and paying unsustainable healthcare costs to receive sick care.

From The Wall Street Journal Jun. 26, 2026

In any society built on institutionalized racism, race-mixing doesn’t merely challenge the system as unjust, it reveals the system as unsustainable and incoherent.

From "Born a Crime: Stories from a South African Childhood" by Trevor Noah



Vocabulary lists containing unsustainable


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