Dictionary.net

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"

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)

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"

Relating to domestic economy, or to the management of household affairs.

Regulative; relating to the adaptation of means to an end.

Managing with frugality; guarding against waste or unnecessary expense; careful and frugal in management and in expenditure; - said of character or habits.

Managed with frugality; not marked with waste or extravagance; frugal; - said of acts; saving; as, an economical use of money or of time.

Relating to domestic economy, or to the management of household affairs.

Regulative; relating to the adaptation of means to an end.

Managing with frugality; guarding against waste or unnecessary expense; careful and frugal in management and in expenditure; - said of character or habits.

Managed with frugality; not marked with waste or extravagance; frugal; - said of acts; saving; as, an economical use of money or of time.

Economically.

Economically.

Economically.

Careful; frugal; prudent.

See ECONOMICK.