"economical" in the adjective sense
1. economic, economical
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"
2. economic, economical
of or relating to an economy, the system of production and management of material wealth
"economic growth"
"aspects of social, political, and economical life"
3. economical, frugal, scotch, sparing, stinting
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"
Source: WordNet® (An amazing lexical database of English)
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