Word Study
go under
THESAURUS
go under
be ruined, become insolvent, bite the dust, bow, break, bust, collapse, crash, fail, fall, fold, fold up, founder, go bankrupt, go broke, go down, go downhill, go into receivership, go to glory, go to hell, go to perdition, go to pot, go to ruin, go to shivers, go to smash, go to smithereens, go up, go wrong, have enough, lick the dust, lose, lose out, lose the day, say uncle, shut down, sink, slip, submerge, submerse, submit, succumb, surrender, take the count, tumbleFor further exploring for "go under" in Webster Dictionary Online