efficiency

Etymology

From Latin efficientia.

noun

  1. The extent to which time is well used for the intended task.
    The efficiency of the planning department is deplorable.
    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 in 19 years. September 7, 2012, Phil McNulty, “Moldova 0-5 England”, in BBC Sport
  2. (dated) The quality of producing an effect or effects.
  3. The extent to which a resource is used for the intended purpose; the ratio of useful work to energy expended.
    The efficiency of this loudspeaker is 40%.
  4. (US) A one-room apartment.
    I have an efficiency available June through July.
    fully-furnished efficiencies

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