Relating to the economy, the system of production and management of material wealth. The government announced new economic policies to boost growth.
Cost-effective; requiring or spending a relatively small amount of money, time, or effort (less common than 'economical'). Solar heating can be an economic way to reduce energy bills.
Capable of yielding a profit; commercially viable. At current market prices, the ore body is not economic to mine.
Pertaining to the academic discipline of economics or its theories, principles, and analytical methods. The lecturer explained the economic theory underlying supply-side reforms.