/ ˌʌnsəˈsteɪnəbl; NAmE / adjective
that cannot be continued at the same level, rate, etc. :
unsustainable growth
OPP sustainable
/ ˌʌnsəˈsteɪnəbl; NAmE / adjective
that cannot be continued at the same level, rate, etc. :
unsustainable growth
OPP sustainable
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005