All wasteful antonyms

adjective wasteful

• frugal — economical in use or expenditure; prudently saving or sparing; not wasteful: What your office needs is a frugal manager who can save you money without resorting to painful cutbacks. Synonyms: thrifty, chary, provident, careful, prudent, penny-wise, scrimping; miserly, Scotch, penny-pinching. Antonyms: wasteful, extravagant, spendthrift, prodigal, profligate.
• careful — If you are careful, you give serious attention to what you are doing, in order to avoid harm, damage, or mistakes. If you are careful to do something, you make sure that you do it.
• cautious — Someone who is cautious acts very carefully in order to avoid possible danger.
• economical — avoiding waste or extravagance; thrifty: an economical meal; an economical use of interior space.
• saving — tending or serving to save; rescuing; preserving.
• thrifty — practicing thrift or economical management; frugal: a thrifty shopper.
• wasteful — given to or characterized by useless consumption or expenditure: wasteful methods; a wasteful way of life.