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

Food in cans can freeze and expand, risking leakage. —Alexis Simmerman, Austin American Statesman, 26 Jan. 2026

In some cases, damage can happen as the snow melts, as remaining ice can prevent water from running off the roof, leading to pooling and leakage. —Liz Knueven, CNBC, 23 Jan. 2026

From an energy-efficiency standpoint, storm windows can improve overall thermal performance by reducing air leakage, especially on older single-pane windows. —Roxanne Downer, USA Today, 22 Jan. 2026

The defect may cause leakage and bacteria contamination, which can lead to botulism infections. —Jenna Anderson, Health, 20 Jan. 2026

Word History

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