to decline or decrease
to decrease
to undergo a decline or decrease
The market is going down
said of the sun: to go below the horizon
said of a ship or aircraft: to sink or crash
to undergo defeat
said of a computer system or program: to become inoperative; to crash
to be capable of being swallowed
to be received in a specified way
The plan won't go down well with the farmers
to come to be remembered, esp by posterity
He will go down in history as a great general
(often + with) to become ill
He went down with flu
Brit to leave a university
informal to be sent to prison
go down on
coarse slang to perform fellatio or cunnilingus on (somebody)