1.
( of sth that floats ) to sink below the surface
2.
( informal ) to become bankrupt (= be unable to pay what you owe) :
The firm will go under unless business improves.
1.
( of sth that floats ) to sink below the surface
2.
( informal ) to become bankrupt (= be unable to pay what you owe) :
The firm will go under unless business improves.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005