The antonyms for the word "wast poor" are plentiful. If a person is wasteful, they are the opposite of someone who is frugal or thrifty. Someone who is rich can be seen as the opposite of being poor. When someone is productive and efficient with their time and resources, they are the antithesis of being idle or lazy. Being economical with money and resources is the inverse of being extravagant or profligate. Ultimately, the antonyms for "wast poor" all stem from the concept of being responsible, efficient, and mindful with one's resources, whether that be time, money, or energy.