go under

US /ɡoʊ ˈʌndər/

UK /ɡoʊ ˈʌndər/

1.

to go bankrupt

:

•

Many small businesses go under during a recession.

•

The company is expected to go under by the end of the year.

:

fail collapse fold crash liquidate

2.

to become unconscious or fall asleep, especially due to an anesthetic or exhaustion

:

•

The patient began to go under as the anesthesia took effect.

•

After a long day, he just wanted to go under and sleep.

:

pass out fall asleep lose consciousness

:

under go go in go on go by no go go with