Unsustainable antonyms

What is the opposite word for Unsustainable?

sustainable

not able to be supported in the future
tenable

not able to be supported in the future
suitable

not able to be supported in the future
feasible

not able to be supported in the future
long-term

not able to be supported in the future
viable

Antonyms for unsustainable

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Maintainable

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pollution, trash, degradation

world, bomb, time

sustainability, environment, behavior

paper, wall, structure

Cite this Source

Antonyms for Unsustainable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/antonyms/unsustainable

Antonyms for Unsustainable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/antonyms/unsustainable>.

Antonyms for Unsustainable. 2016. Accessed August 15, 2026. https://thesaurus.plus/antonyms/unsustainable.