efficiency

Noun

1. 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...

   Antonyms: inefficiency wastefulness

   1. (engineering, physics) The ratio of useful work to energy expended. Often given the symbol η.

      • The efficiency of this loudspeaker is 40%.

      Antonyms: inefficiency wastefulness

   2. The extent to which time is well used for the intended task.

      • The efficiency of the planning department is deplorable.
      • Even at the busiest periods, an air of quiet orderliness pervades the hall, and the first impression gained by the traveller is one of efficiency, neatness and cleanliness. - 1951 October 5, H. A. Vallance, “Across...
      • The display and result must be placed in the context that was it was against a side that looked every bit their Fifa world ranking of 141 - but England completed the job with efficiency to record their biggest away win...

      Antonyms: inefficiency wastefulness

2. The quality of producing an effect or effects.
   • The manner of this divine efficiency being far above us. - [1594], Richard Hooker, edited by J[ohn] S[penser], Of the Lawes of Ecclesiastical Politie, […], London: […] Iohn Windet, […], →OCLC, (please specify the page):
3. A one-room apartment.
   • I have an efficiency available June through July.
   • fully-furnished efficiencies

   Synonyms: efficiency apartment studio apartment bedsit