earsplitting

[ eer-split-ing ]

/ ˈɪərˌsplɪt ɪŋ /

ear-piercing: an earsplitting explosion.

Origin of earsplitting

First recorded in 1880–85; ear¹ + splitting

As I stepped into the main building that housed Unit C, an earsplitting siren blared suddenly and a dozen strobes flashed.

Inside a Hospital for the Criminally Insane |Caitlin Dickson |September 15, 2014 |DAILY BEAST
And at the same time, the big Venusian let out a loud, long, earsplitting yell.

Stand by for Mars! |Carey Rockwell
There was a flash, an earsplitting report, and the old soldier sank to the floor.

McClure's Magazine, Vol. XXXI, No. 3, July 1908. |Various
This earsplitting racket continued, he says, without interruption for two days.

The Man Who Rocked the Earth |Arthur Train

The voice of the expounder was suddenly drowned out by the earsplitting rapid-fire of the exhaust!

The River and I |John G. Neihardt
The automatic radiation safety equipment filled the ship with an earsplitting buzz of warning.

Rip Foster in Ride the Gray Planet |Harold Leland Goodwin