Definitions:

1. A discordant and disonant combination of sounds, often resulting in auditory chaos or discomfort. NOUN
   • A sudden cacophony erupted in the classroom when the fire alarm went off.
2. Loud, confusing, disagreeable sounds. NOUN
   • The jungle awoke to a cacophony of animal sounds, from the melodic calls of birds to the guttural roars of predators.
3. Refers to a harsh, jarring mixture of sounds that is often loud, unpleasant and discordant. NOUN
   • The cacophony of car horns, shouting, and sirens filled the city square.

Synonyms:

• babel
• clamor
• din
• dissonance
• racket
• uproar