adj · neutral

sustainable

/səˈsteɪnəbəl/sus·TAIN·able

Band 5-6task2speaking

able to continue over the long term without causing harm or using up resources

Examples

Sustainable farming methods help protect soil and water for future generations.

Cities are investing in sustainable transport to reduce pollution.

We need sustainable policies rather than short‑term fixes.

Band 8 sentence

For policies to be truly effective, they must be economically feasible and environmentally sustainable over decades, not just politically popular for a single term.

Collocations

  • sustainable development
  • environmentally sustainable
  • sustainable practices

Word family

sustain verbsustainability nounsustainably adverb

Common mistakes

Sustainable is important for our city.Sustainability is important for our city.

This policy will be permanent and sustainable.This policy will be permanent.

Say it for a higher band

5long-term6long-lasting7+sustainable

Synonyms

viable

endurable

Easily confused

durable

The new shoes are durable and should last for years.

Related words

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In -able / -ible

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