go down

move downward and lower, but not necessarily all the way

• “The temperature is going down”
• “The barometer is falling”
• “The curtain fell on the diva”
• “Her hand went up and then fell again”

go under, "The raft sank and its occupants drowned"

grow smaller

• “Interest in the project waned”

be recorded or remembered

• “She will go down as the first feminist”

be ingested

• “This wine sure goes down well”
• “The food wouldn”

be defeated

• “If America goes down, the free world will go down, too”

disappear beyond the horizon

• “the sun sets early these days”

stop operating

• “My computer crashed last night”
• “The system goes down at least once a week”