economical (

     adj 1: using the minimum of time or resources necessary for
            effectiveness; "an economic use of home heating oil";
            "a modern economical heating system"; "an economical
            use of her time" [syn: economic]
     2: of or relating to an economy, the system of production and
        management of material wealth; "economic growth"; "aspects
        of social, political, and economical life" [syn: economic]
     3: avoiding waste; "an economical meal"; "an economical
        shopper"; "a frugal farmer"; "a frugal lunch"; "a sparing
        father and a spending son"; "sparing in their use of heat
        and light"; "stinting in bestowing gifts"; "thrifty
        because they remember the great Depression"; (`scotch' is
        used only informally) [syn: frugal, scotch, sparing,