UNSUSTAINABLE


Meaning of UNSUSTAINABLE in English

■ adjective

1》 not able to be sustained.

↘ Ecology upsetting the ecological balance by depleting natural resources.

2》 not able to be upheld or defended.

Derivatives

unsustainably adverb

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.