AskDefine | Define efficiency

Dictionary Definition



1 the ratio of the output to the input of any system
2 skillfulness in avoiding wasted time and effort; "she did the work with great efficiency" [ant: inefficiency]

User Contributed Dictionary




  1. The extent to which time is well used for the intended task.
    The efficiency of the planning department is deplorable.
  2. The extent to which a resource, such as electricity, is used for the intended purpose.
    The efficiency of this loudspeaker is 40%.
  3. A one room apartment.
    I have an efficiency available June through July.

Related terms


Extensive Definition

Efficiency as a technical term may refer to:

See also

efficiency in Spanish: Eficiencia
efficiency in Italian: Efficienza
efficiency in Hebrew: נצילות
efficiency in Simple English: Efficiency

Synonyms, Antonyms and Related Words

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