The word "wert frugal" is an archaic form of the phrase "were frugal," which means to be sparing or economical. Antonyms for the phrase include wasteful, extravagant, spendthrift, lavish, profligate, and prodigal. These words describe the opposite of being frugal, implying an excessive or careless use of resources. Being wasteful, for instance, disregards the value of resources and consumes them recklessly. Similarly, an extravagant lifestyle involves a lavish and excessive expenditure of money or resources. A spendthrift is someone who spends money extravagantly, without considering its value or necessity. Therefore, antonyms for "wert frugal" connote excess, waste, and imprudence with resources.