Consumption/kənˈsʌmpʃn/ Definition 1 of 4Pro Tip 1/3Resource Efficiency Refers to smart use of resources to reduce waste and costs. Our company aims to improve energy consumption. Pro Tip 2/3Not Always Negative While often associated with usage, it doesn't imply overuse or waste. This light bulb's consumption is exceptionally low. Pro Tip 3/3Personal to Global Can describe use on a personal level or by larger entities like countries. Global oil consumption increases every year.