Noise
Din
noun
Boisterous sound is when there's a lot of noise around you. It's the din of the crowd or environment.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
この辺は工事中で毎日騒音がすごいです。
This area is under construction so there is a lot of noise every day.
騒音も公害の一つです。
Noise is also one form of pollution.
騒音に慣れてしまうと、それが逆に落ち着くこともあります。
Once you get used to noise, it can strangely become calming.
騒音問題について、お隣さんにどうやって切り出したらいいんだろう。
How should I approach my neighbor about a noise problem?