english
1
general::
Overwhelm with a louder sound, as in Their cries were drowned out by the passing train. [Early 1600s]
American Heritage Idioms
2
general::
Phrase(s): drown someone or something out [for a sound] to be so loud that someone or something cannot be heard. • The noise of the passing train drowned out our conversation. • The train drowned us out.
McGrawhill's American Idioms And Phrasal Verbs