A1
costing a lot of money
Dictionary examples:
Air is free. Water is expensive. (0.0)
My cat only eats expensive fish. (0.0)
His shoes cost more than my car! (0.0)
He buys very expensive clothes. (6.7)
expensive jewelry (7.6)
She has expensive taste. (17.3)
It's expensive to own a car. (23.8)