sustain + -able

sustainable is on the Academic Word List.

Word parts

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Pronunciation

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Adjective

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Positive
sustainable

Comparative
more sustainable

Superlative
most sustainable

  1. If something is sustainable, it can be continued for a long time, especially without using up resources.
    The oil-based lifestyle of today is not sustainable.
    The government is trying to balance sustainable development with economic growth.
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