bedlam
noun
Bedlam is a word that means a lot of noise and confusion. It's like when you have a lot of kids running around and making a lot of noise and it's hard to figure out what's going on.
Example
1. The beach was a bedlam of activity on the sunny summer day.
2. The classroom erupted into bedlam when the teacher announced a surprise pop quiz.
3. It was total bedlam in the stadium when the home team scored the winning goal.