Wiktionary
vb. (context idiomatic English) To cover, obscure, or hide by being louder than.
WordNet
v. make imperceptible; "The noise from the ice machine drowned out the music"
Wikipedia
Drown Out is a studio album by American electronic music producer Daedelus. It was released on Anticon in 2013.
Usage examples of "drown out".
The silvery, mocking laughter of Helene Brand would always drown out any lovely voice that called to him.
Ross wanted to close his ears, thrust his fingers into them to drown out that sound, yet he did not have the power to raise his hands.
He closed his eyes and tried to drown out the sounds by remembering Tess's laughter, reliving the fun of those two weeks.
There was a loud hum that threatened to drown out the ack-ack guns, and the veils on the net began to lower.
In that confined space the report of the gun was deafening but even so not loud enough to drown out Pauli's shout of agony.
A dozen men started to talk at once, each trying to drown out the others, and before long half the hall was shouting once more.
This one would suffocate her utterly, would drown out all light, every glimmer of self-awareness.
After a time, he began to talk to himself, reciting tales and histories and royal genealogies-anything to drown out the faint, darkly compelling music.
It would drown out all sound and reduce visibility to a few feet, increasing her chances for escape—.
It would drown out all sound and reduce visibility to a few feet, increasing her chances for escapebut it would also make it almost impossible for Grant to find her.