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

Claims data must also be evaluated to identify recurring reimbursement patterns, benchmark payment methodologies and determine where ongoing financial leakage continues. — Bruce Roffe, Forbes.com, 12 Aug. 2026

Noise leakage also means anyone nearby might be able to hear it. — Will Greenwald, PC Magazine, 6 Aug. 2026

Just prior to deploying the cyborg roach, the team injected a bit of diluted hydrogen peroxide into the tank and sealed it to prevent leakage. — ArsTechnica, 3 Aug. 2026

Former coaches mentioned the effect interior leakage can have on Murray’s vision. — Alec Lewis, New York Times, 28 July 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