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unsustainable

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adjective un·sus·tain·able \ˌən-sə-ˈstā-nə-bəl\

Definition of unsustainable

  1. :  not capable of being prolonged or continued :  not sustainable unsustainable agricultural practices unsustainable growth

unsustainability

play \ˌən-sə-ˌstā-nə-ˈbi-lə-tē\ noun

unsustainably

play \ˌən-sə-ˈstā-nə-blē\ adverb an unsustainably high rate of growth

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First Known Use of unsustainable

circa 1677

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