[adj] 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"
[adj] 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"
[adj] 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"
[adj] of or relating to the science of economics; "economic theory"
[adj] of or relating to an economy, the system of production and management of material wealth; "economic growth"; "aspects of social, political, and economical life"