surprise

2. The feeling you get when something unexpected happens.

She jumped up in surprise when the balloon popped.

3. To do something that someone does not expect.

The magician surprised the crowd with a trick.

4. To catch someone off guard by doing something they did not anticipate.

The teacher surprised us with a pop quiz.

5. An unexpected event or piece of news.

The snowstorm was a big surprise for the town.