›to use something such as fuel, energy, money, or time, especially in large quantities: It's a province of China which consumes 180,000 tons of coal a year.This device will monitor how much energy your household appliances are consuming at any time.Meetings routinely consume at least 20 hours of his time a week. → See alsotime-consuming
›to buy goods or services: The shift toward an increasingly cashless society has changed the way we consume goods.