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- Dictionaryunsustainable/ˌʌnsəˈsteɪnəbl/
adjective
- 1. not able to be maintained at the current rate or level: "macroeconomic instability led to an unsustainable boom"
- 2. not able to be upheld or defended: "both remarks are unsustainable"
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The meaning of UNSUSTAINABLE is not capable of being prolonged or continued : not sustainable. How to use unsustainable in a sentence.
UNSUSTAINABLE definition: 1. Something that is unsustainable cannot continue at the same rate: 2. causing damage to the…. Learn more.
UNSUSTAINABLE meaning: 1. Something that is unsustainable cannot continue at the same rate: 2. causing damage to the…. Learn more.
An unsustainable situation or amount cannot continue in the same way or at the same level. His policies helped to fuel an unsustainable boom. The country faces an unsustainable national debt and stagnant growth.
If something is unsustainable, there's just no way to keep doing it at the same rate or in the same way. You've been able to keep your new puppy from whining by petting her all night long, but that's unsustainable.
Definition of unsustainable adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
1. That cannot be upheld or defended as valid, correct, or… Expand. 2. Chiefly of an economic trend: that cannot be maintained or… 3. That cannot be endured or borne, esp. over a prolonged… Earlier version. unsustainable, a. in OED Second Edition (1989) 1. 1662–. That cannot be upheld or defended as valid, correct, or true. 1662.