Frugal:

–Adjective

1. Economical in use or expenditure; prudently saving or sparing; not wasteful.

–Synonyms: Thrifty, chary, provident, careful, prudent, penny-wise, scrimping; miserly, Scotch, Penny-pinching.

–Antonyms: wasteful, extravagant, spendthrift, prodigal, profligate.

2. Entailing little expense; requiring few resources; meager; scanty.

–Synonyms: scant, slim, sparing, skimpy.

–Antonyms: Luxurious, lavish, profuse.