Economical
Part of speech: adjective
Definition: Careful with money so as not to spend too much; prudent; thrifty. Relating to economy in any other sense.
Thrifty
Part of speech: adjective
Definition: Given to, or evincing, thrift; characterized by economy and good management of property; sparing; frugal.Thriving by industry and frugality; prosperous in the acquisition of worldly goods; increasing in wealth; as, a thrifty farmer or mechanic.Growing rapidly or vigorously; thriving; as, a thrifty plant or colt.Secured by thrift; well husbanded.Well appearing; looking or being in good condition; becoming.
Example sentence: I grew up moving from one council flat to another and finished up in a three-bedroom semi-detached on a council estate in Cranford, a suburb of Hounslow. This was in the days when there was still rationing, and we had to be thrifty.