cacophony

noun

1. (countable, uncountable)A mix of discordant sounds; dissonance.

   “1921-1922, H. P. Lovecraft, Herbert West: Reanimator, Not more unutterable could have been the chaos of hellish sound if the pit itself had opened to release the agony of the damned, for in one inconceivable cacophony was centered all the supernal terror and unnatural despair of animate nature.”

   “A blistering start from the Scots served to steady the ship amid a cacophony that defied the quarter-full national stadium.”