ˌiːkəˈnɒmɪk ˌɛkəˈnɑmɪk ˌɛkəˈnɒmɪkəl ˌɛkəˈnɑmɪkəl 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 financially rewarding it was no longer economic to keep the factory open have to keep prices high enough to make it economic to continue the service concerned with worldly necessities of life (especially money) he wrote the book primarily for economic reasons gave up the large house for economic reasons in economic terms they are very privileged of or relating to the science of economics economic theory of or relating to an economy, the system of production and management of material wealth economic growth aspects of social, political, and economical life