Definition of "economy" in English

noun

1. Effective management of a community or system, or especially its resources.

2. The study of money, currency and trade, and the efficient use of resources.

   • He was learning about economy since 7th grade.

3. Frugal use of resources.

   • economy of word
   • April 5, 1729, Jonathan Swift, letter to St. John I have no other notion of economy than that it is the parent to liberty and ease.

4. The system of production and distribution and consumption. The overall measure of a currency system; as the national economy.

5. (theology) The method of divine government of the world. (See Economy (religion) on Wikipedia.Wikipedia.)

   • The economy of God is in Jesus Christ alone.

6. (US) The part of a commercial passenger airplane or train reserved for those paying the lower standard fares; economy class.

7. (archaic) Management of one’s residency.

adjective

1. Cheap to run; using minimal resources; representing good value for money; economical.

   • He bought an economy car.
   • Economy size.

adverb

1. (US) In or via the part of a commercial passenger airplane reserved for those paying the lower standard fares.

   • Numerous web sites have tips on how to fly economy.