Dictionary

noun

Definitions

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

   Example: The efficiency of the planning department is deplorable.

   Antonyms:inefficiencywastefulness

2. The quality of producing an effect or effects.

3. The extent to which a resource, such as electricity, is used for the intended purpose; the ratio of useful work to energy expended.

   Example: The efficiency of this loudspeaker is 40%.

   Antonyms:inefficiencywastefulness

4. A one-room apartment.

   Example: I have an efficiency available June through July.

   Synonyms:bedsitefficiency apartment