Adjective
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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"
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of or relating to an economy, the system of production and management of material wealth
"economic growth"
"aspects of social, political, and economical life"
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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"