adj. 25B6; adjective
an economical car : CHEAP, inexpensive, low-cost, budget, economy, economic; cut-price, discount, bargain.
a very economical shopper : THRIFTY, provident, prudent, sensible, frugal, sparing, abstemious; mean, parsimonious, penny-pinching, miserly; N. Amer. forehanded; informal stingy.
expensive, spendthrift.