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English definition of “unsustainable”

unsustainable

adjective     /ˌʌnsəˈsteɪnəbəl/
Something that is unsustainable cannot continue at the same rate Unachievable
causing damage to the environment by using more of something than can be replaced naturally : unsustainable fishing methods Environmental issuesRubbish and wasteProtection and protectors
(Definition of unsustainable adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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