Being thrifty involves practicing financial discipline and being resourceful with money and resources. Some synonyms for being thrifty include frugal, economical, penny-wise, budget-conscious, and prudent. Being frugal emphasizes restraint in spending, while economical focuses on maximizing the value of money and resources. Penny-wise highlights the importance of small savings, while budget-conscious emphasizes the need to stay within a set budget. Being prudent stresses the importance of making wise decisions with money and resources, considering future consequences and benefits. All these synonyms capture the essence of being thrifty and can help individuals achieve financial stability and security.