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Synonyms

unsustainable

American  
[uhn-suh-stey-nuh-buhl] / ˌʌn səˈsteɪ nə bəl /

adjective

  1. not sustainable; not to be supported, maintained, upheld, or corroborated.


Other Word Forms

  • unsustainably adverb

Etymology

Origin of unsustainable

1670–80; un- 1 + sustainable ( def. )

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 elephant in the room: How did you get into a situation where you were carrying unsustainable credit-card debt, and how can you make sure that it doesn’t happen again?

From MarketWatch

Some analysts predict this "bubble" is unsustainable and could soon burst.

From BBC

But it added: "The regime's widespread mobilisation of security forces is unsustainable, however, which makes it possible that protests could resume."

From Barron's

Lucy said that although farmers are resilient, the pressures they are facing are unsustainable.

From BBC

Audit Scotland analysis had suggested the sector suffered a 20% real-terms cut in funding, and the Scottish Funding Council warned last year that most colleges face unsustainable losses.

From BBC