English · Word Candidate

efficiency

/ɪˈfɪʃ.ən.si/

Proposed by a contributor, not yet supported by evidence.

Also seen as: efficiencies

Sense 1

Both English Tiếng Việt

Meaning · English

The extent to which a resource is used for the intended purpose.

Nghĩa · Tiếng Việt

mức độ sử dụng tài nguyên cho mục đích dự kiến

Machine-translated — suggest a fix

Noun

Examples

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 age

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Both English Tiếng Việt

Meaning · English

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.

Nghĩa · Tiếng Việt

mức độ sử dụng tài nguyên cho mục đích dự kiến

Machine-translated — suggest a fix

Noun

Examples

The efficiency of this loudspeaker is 40%.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “efficiency” mean?

The extent to which a resource is used for the intended purpose.

Is “efficiency” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.