1. The box was too heavy for me to lift on my own.
2. The rain clouds looked dark and heavy, threatening a storm.
3. His heart felt heavy with grief after the loss of his loved one.
4. She wore a heavy coat to keep warm in the winter weather.
5. The backpack was heavy with books and supplies for school.
6. The atmosphere in the room was heavy with tension as they argued.
7. The impact of the car crash left a heavy dent in the front bumper.
8. The smell of smoke was heavy in the air after the fire was extinguished.
9. The burden of responsibility felt heavy on his shoulders.
10. The metal door was heavy and difficult to open.