What are the opposite words for un-thrift?

The antonyms for the word "un-thrift" are "economical" and "frugal". These words describe someone who is careful with their money and avoids unnecessary spending. An economical person avoids wasting money on things that they don't need and is always on the lookout for ways to save money. A frugal person is even more careful with their money and often lives a simple lifestyle to save money. Both economical and frugal people are typically financially responsible and have a good understanding of the value of money. They are the opposite of someone who is "un-thrift," which means wasteful and careless with their money.