Definition of "Economic" :

adjective: using the minimum of time or resources necessary for effectiveness

"An economic use of home heating oil."

adjective: financially rewarding

"It was no longer economic to keep the factory open."

adjective: concerned with worldly necessities of life (especially money)

"He wrote the book primarily for economic reasons."

adjective: of or relating to the science of economics

"Economic theory."

adjective: of or relating to an economy, the system of production and management of material wealth

"Economic growth."