adjective

sustainable

sustainable

We need to find sustainable energy sources.

We need to find sustainable energy sources.

This is not a sustainable solution.

This is not a sustainable solution.

((sustainable)) ((noun)) a sustainable (noun) We need to find sustainable energy sources.

Synonyms: viable, renewable, maintainable; Antonyms: unsustainable, temporary

From 'sustain' + '-able' (suffix meaning 'able to be'). Able to be sustained.

'Sustain-able' means 'able to be sustained.' Easy to remember if you know the parts.

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