leakage

noun

leak·​age ˈlē-kij 

1

a

: the act or process or an instance of leaking

b

: loss of electricity especially due to faulty insulation

2

: something or the amount that leaks

Examples of leakage in a Sentence

trying to prevent accidental leakages

Leakages of about 30 percent were reported.

taking steps to prevent leakage of confidential information

Recent Examples on the Web

Not through explosions, but through slow, invisible leakage into marine ecosystems and food chains. —Christopher McFadden, Interesting Engineering, 25 Mar. 2026

The Iranian judiciary's official news agency, Mizan, said there was no leakage. —Arkansas Online, 22 Mar. 2026

Israel denied responsibility for hitting Natanz on Saturday, while the Iranian judiciary’s official news agency, Mizan, said there was no leakage. —Dallas Morning News, 22 Mar. 2026

Israel denied responsibility for hitting Natanz on Saturday while the Iranian judiciary’s official news agency, Mizan, said there was no leakage. —Alon Bernstein, Los Angeles Times, 22 Mar. 2026

Word History

Etymology

Middle English lecage, from leken "to leak entry 1" + -age -age

First Known Use

15th century, in the meaning defined at sense 1a

Kids Definition

leakage

noun

leak·​age ˈlē-kij 

1

a

: the act, process, or an instance of leaking

b

: loss of electricity due especially to faulty insulation

2

: something or the amount that is lost in a leak