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earsplittingly

adv. In an earsplitting way; very loudly.

Usage examples of "earsplittingly".

Seconds later an eerie, earsplittingly loud chirping sound rang through the ship--an alarm, Kim was sure.

The night before, the marble chessboard in Hobbes's locker had suddenly, earsplittingly cracked, rudely interrupting her fitful sleep.