cacophony

 
Pronunciation: /kəˈkɒf(ə)ni/

noun (plural cacophonies)

  • a harsh discordant mixture of sounds: a cacophony of deafening alarm bells

Origin:

mid 17th century: from French cacophonie, from Greek kakophōnia, from kakophōnos 'ill-sounding', from kakos 'bad' + phōnē 'sound'