ca ‧ coph ‧ o ‧ ny /kəˈkɒf ə ni $ kəˈkɑː-/ BrE AmE noun [singular]
[ Date: 1600-1700 ; Language: Greek ; Origin: kakophonia , from kakos 'bad' + phone 'voice, sound' ]
a loud unpleasant mixture of sounds
cacophony of
a cacophony of car horns
—cacophonous adjective