1. (adj)economic, economical of or relating to an economy, the system of production and management of materialwealth "economic growth"; "aspects of social, political, and economical life"
2. (adj)economic of or relating to the science of economics "economic theory"
3. (adj)economic, economical 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"
4. (adj)economic 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"
5. (adj)economic 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"