cacophonous
🇺🇸
/kəˈkɑːfənəs/
🇬🇧
/kəˈkɒfənəs/
A sound that is a mix of many loud and unpleasant noises.
The cacophonous noise from the construction site made it difficult to concentrate.
建設現場からの鬱陶しい騒音は集中を妨げていた。