An uproar is a state of noisy confusion, protest, or excitement. When a classroom erupts in uproar, everyone's talking at once, chairs are scraping, voices are rising, and the teacher can barely restore order. An uproar might happen when something shocking or controversial occurs: imagine the uproar if your principal suddenly announced that recess was being canceled forever!

The word captures both the noise and the emotion behind it. An uproar is loud because people feel strongly about something. When a referee makes a terrible call, the crowd breaks into uproar. When a city council proposes tearing down a beloved park, citizens create an uproar at the next meeting.

You'll often see uproar describe public reactions to decisions or events. A celebrity's controversial tweet might cause an uproar on social media. A new school policy might spark uproar among students and parents. The word suggests more than mere disagreement: it means people are vocally and energetically expressing their displeasure or excitement, and that expression is spreading through a group. When something causes an uproar, it means people won't just accept it quietly.