Waste : use or expend carelessly, extravagantly, or to no purpose. Squander : waste (something, especially money or time) in a reckless and foolish manner. Hide : put or keep out of sight. Ostentatious : characterized by pretentious or showy display; designed to impress. Flaunt : display (something) ostentatiously, especially in order to provoke envy or admiration or to show defiance.