verb · academic

sustain

/səˈsteɪn/sus·TAIN

Band 6-7task2speaking

to keep something going over time; to support or maintain

Examples

Sustainable farming practices help sustain crop yields year after year.

The local council struggled to sustain public services with limited funding.

Many businesses find it hard to sustain growth during an economic downturn.

Band 8 sentence

Long-term environmental policies are necessary to sustain biodiversity in the face of climate change.

Collocations

  • sustain growth
  • sustain damage/injury
  • sustain a level/standard

Word family

sustain verbsustainable adjectivesustainability noun

Common mistakes

He sustain the project for two years.He sustains the project for two years.

They sustained the economy from decline.They sustained the economy despite the decline.

Say it for a higher band

5keep6preserve7+sustain

Synonyms

support

preserve

Easily confused

preserve

Efforts to preserve historical buildings differ from policies designed to sustain economic growth.

Related words

Learn this word with the rest of its set, and get reminded at the right time.

In Sublist 5

Learn it with its set