a loud, unpleasant confused noise that lasts for a long time
The din of the rusty machinery made the factory a horrible place to work.
The construction site was filled with the constant din of machinery and tools.
During the protest, the crowd raised a deafening din, demanding justice.
The city's bustling marketplace echoed with the din of vendors and shoppers.
As the thunderstorm approached, the din of rain against the windows grew steadily louder.
