**Here are some examples of using the word «aback»:**
1. I was taken aback when I heard the news about my promotion.
2. She was caught completely aback by his unexpected proposal.
3. The teacher was taken aback by the student's bold question in class.
4. He was taken aback by her refusal to go to the party.
5. The team was taken aback by their opponents' strong performance.
6. She was taken aback by the size of the bill at the restaurant.
7. He was caught aback by the sudden change in weather.
8. The audience was taken aback by the shocking twist in the story.
9. She was caught aback by the rude comment from her colleague.
10. The whole class was taken aback by the teacher's unusual behavior.
This word is used to describe a situation when someone is surprised or caught off guard by something unexpected.