Synonyms of 'go under'
▷ See go
1 failDictionary, die, sink
If one firm goes under it could provoke a cascade of bankruptcies.
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The company folded in 1990.
If something such as a plan or project founders, it fails because of a particular point, difficulty, or problem.
The talks have foundered.
Thesaurus for go under from the Collins English Thesaurus
If a business or project goes under , it becomes unable to continue in operation or in existence .