'go under' definitions:

Definition of 'go under'

(from WordNet)
verb
Go under, "The raft sank and its occupants drowned" [syn: sink, settle, go down, go under] [ant: float, swim]
verb
Disappear beyond the horizon; "the sun sets early these days" [syn: set, go down, go under] [ant: ascend, come up, rise, uprise]
verb
Be called; go by a certain name; "She goes by her maiden name again" [syn: go by, go under]

Synonyms of 'go under'

From: Moby Thesaurus

Words containing 'go under'