sustainable

adjective

Stress: second syllable

Syllables: sus-tain-a-ble (4)

English Definition

Able to be maintained at a certain rate or level.

Example Sentence

We need sustainable energy sources to protect our environment.

US IPA /səˈsteɪnəbl/

UK IPA /səˈsteɪnəbl/

maintainable viable renewable supportable

unsustainable temporary unviable