Frugal : sparing or economical as regards money or food.Gaudy : extravagantly bright or showy, typically so as to be tasteless.Generous : showing a readiness to give more of something, especially money, than is strictly necessary or expected.Extravagant : lacking restraint in spending money or using resources.Charitable : relating to the assistance of those in need.Antonym of Frugal is Extravagant