Verb
move downward and lower, but not necessarily all the way
stop operating
grow smaller
be defeated
be ingested
disappear beyond the horizon
go under
be recorded or remembered
Source: WordNetgo-down
The temperature is going down Source: Internet
The barometer is falling Source: Internet
The curtain fell on the diva Source: Internet
Her hand went up and then fell again Source: Internet
My computer crashed last night Source: Internet
The system goes down at least once a week Source: Internet