Prudent and thrifty in management; not wasteful or extravagant. See Synonyms at sparing.
Intended to save money, as by efficient operation or elimination of unnecessary features; economic: an economical heating system; an economical approach to control of corporate growth.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.