Who doesn’t love the nice things that money can buy? But if all you care about is the stuff you have and the stuff you want to buy, you are materialistic.
Anyone who is obsessively focused on money, or cares deeply about owning luxury goods can be described as materialistic. Material is a synonym for matter: anything that exists. Originally, materialism was a philosophy that "only matter exists." But in 1851, American fiction writer Nathaniel Hawthorne tweaked the definition to mean “a way of life based entirely on consumer goods," a meaning that endures.