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Synonyms & Antonyms of unsustainable
as in unsupportable, unverifiable
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“Unsustainable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsustainable. Accessed 12 Apr. 2021.
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Time Traveler for unsustainable
The first known use of unsustainable was circa 1677
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