Example : 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.

Synonyms : economical, frugal, scotch, sparing