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

The lawsuit also claims Vertix’s poor work resulted in broken sump pumps, areas of water leakage, a falling pipe, exposed metal ties, peeling paint, faulty caulking, rust, and salt water leaching from the habitat’s upper pool into the moat, among others. —John Wenzel, Denver Post, 8 Apr. 2026

The snack was initially sold in small bags, but cardboard boxes and cylindrical tubs later became the norm in theaters, likely because the containers didn’t make noise to access and were less prone to butter leakage, Melnick said. —Los Angeles Times, 6 Apr. 2026

This is unsurprising, since all local-dimming LED TVs show some bloom, and cheaper TVs with fewer zones than high-end models can't control light leakage along high-contrast edges as well. —Will Greenwald, PC Magazine, 6 Apr. 2026

Officials said there was no oil leakage and no injuries reported. —Glenn Taylor, Sourcing Journal, 31 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