Top definition
A loud, harsh, or discordant mixture of noise.

Additionally, Matthew Mercer's favorite descriptor for a loud noise, specifically when on Critical Role.
Percy let's out a shot with bad news and with a cacophonous boom it echoes through the mines of Kraghammer.
by Azraeladonis August 20, 2017
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2
Having a harsh or discordant sound.
“Maybe she had sat here in the cacophonous darkness and felt some kind of desperation take her over.”
by UrbanReading August 08, 2016
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