drowned out

"Socialism is good…" a pensioner warbles into a portable karaoke mic, slightly off-key and drowned out by her friends' chatter.

The original officer starts to say that one is already there, but his words are suddenly drowned out by the sound of police gunfire.

The people in shot mumbled and were drowned out by a blaring TV.

Boosters have drowned out skeptics by insisting that the Olympics will help the city and come at “no cost” to taxpayers.

The talks at Turnberry began with the spectacle of the president gushing about the prime minister's wife, Victoria, as she stood alongside him, the entire conversation almost drowned out by a nearby bagpiper.