**Here are some examples of using the word «worst»:**
1. The worst part about living in a big city is the traffic jams.
2. She was in the worst mood I have ever seen her in.
3. He got the worst seat in the theater, right at the back and by the aisle.
4. It was the worst decision I have ever made in my life.
5. The weather forecast predicts the worst: heavy snowfall and ice on the roads.
6. He is the worst student in our class.
7. She lost her job, her car broke down, and she got into a fight with her best friend — it was the worst day of her life.
8. The worst thing that could happen has happened.
9. He was afraid to ask for help because he thought it would be the worst insult.
10. The restaurant's service was the worst I have experienced in a long time.