1. (adj)thrifty careful and diligent in the use of resources Synonyms: careful Antonyms: uneconomic, extravagant, wasteful, improvident, prodigal, pound-foolish, spendthrift, profligate, uneconomical
2. (adj)careful, thrifty mindful of the future in spending money Synonyms: deliberate, thrifty, heedful, measured, careful Antonyms: pound-foolish, wasteful, improvident, spendthrift, uneconomic, uneconomical, profligate, prodigal, extravagant