1.of or relating to an economy, the system of production and management of material wealth;
economic growth
2.of or relating to the science of economics;
economic theory
3.concerned with worldly necessities of life (especially money);
he wrote the book primarily for economic reasons
4.financially rewarding;
it was no longer economic to keep the factory open
5.using the minimum of time or resources necessary for effectiveness;
an economic use of home heating oil