efficiency

Meanings

1. 1
   noun

   skillfulness in avoiding wasted time and effort

   They did the work with great efficiency.

2. 2
   noun

   The extent to which a resource is used for the intended purpose.

   In a letter DeJoy sent to Congress on Thursday, he said DOGE teams will “assist us in identifying and achieving further efficiencies,” saying the Elon Musk-led agency will focus on improving the management of USPS retirement assets and the Workers’ Compensation Program, as well as addressing the agency’s legislative mandates and regulatory requirements.

3. 3
   noun

   The quality of producing an effect or effects.

   The manner of this divine efficiency being far above us.

4. 4
   noun

   A one-room apartment.

   I have an efficiency available June through July.

5. 5
   noun

   the ratio of the output to the input of any system

Etymology

From Latin efficientia, equivalent to efficient + -cy.