- 1involving the use of natural products and energy in a way that does not harm the environment sustainable forest management an environmentally sustainable society
- 2that can continue or be continued for a long time sustainable economic growth Unfortunately, this level of output is not sustainable. opposite unsustainable
NAmE//səˌsteɪnəˈbɪlət̮i//
noun [uncountable] NAmE//səˈsteɪnəbli//
adverbSee sustainable in the Oxford Advanced Learner's DictionaryCheck pronunciation: sustainable