Something that is ~ involves a lot of risk or uncertainty. (INFORMAL)
Investment is becoming a ~ business.
= risky
ADJ
Something that is ~ involves a lot of risk or uncertainty. (INFORMAL)
Investment is becoming a ~ business.
= risky
ADJ
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012