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Efficiency

//ɪˈfɪʃ.ən.si// noun

Noun

1
The extent to which a resource is used for the intended purpose. countable, uncountable
"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."
2
skillfulness in avoiding wasted time and effort wordnet
3
The extent to which a resource is used for the intended purpose.; The ratio of useful work to energy expended. Often given the symbol η. countable, uncountable
"The efficiency of this loudspeaker is 40%."
4
the ratio of the output to the input of any system wordnet
5
The extent to which a resource is used for the intended purpose.; The extent to which time is well used for the intended task. countable, uncountable
"The efficiency of the planning department is deplorable."

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6
The quality of producing an effect or effects. countable, dated, uncountable
"The manner of this divine efficiency being far above us."
7
A one-room apartment. US, countable, uncountable
"I have an efficiency available June through July."

From Latin efficientia, equivalent to efficient + -cy.

Unscramble this word: efficiency