B1
If a place floods or is flooded, it becomes covered in water.
Dictionary examples:
The kids flooded the kitchen trying to make ice cubes. (0.0)
The office was flooded when the coffee machine went crazy. (0.0)
The clumsy waiter flooded the restaurant with soup. (0.0)
The town was flooded when the river overflowed its banks. (59.0)
Our washing machine broke down yesterday and flooded the kitchen. (59.8)