He pricked up his ears and watched the blood drain from Aarfy’s face as sirens mourned far away, police sirens, and then ascended almost instantaneously to a howling, strident, onrushing cacophony of overwhelming sound that seemed to crash into the room around them from every side.
…when Dobbs wrested the controls away from Huple and hurled them all down suddenly into the deafening, paralyzing, horrifying dive which had plastered Yossarian helplessly to the ceiling of the plane by the top of his head and from which Huple had rescued them just in time by seizing the controls back from Dobbs and leveling the ship out almost as suddenly right back in the middle of the buffeting layer of cacophonous flak from which they had escaped successfully only a moment before.
There are no more uses of "cacophony" in the book.
Show samples from other sources
There was a cacophony of discord as everyone spoke at once.
a cacophony of different musical styles — each trying to play louder than the other