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

Former coaches mentioned the effect interior leakage can have on Murray’s vision. — Alec Lewis, New York Times, 28 July 2026

Officials said there is no risk of radioactive leakage because the facility contains no nuclear materials, the outlet reported. — Emma Bussey, FOXNews.com, 28 July 2026

Expanding local employment, attracting investment and reducing retail leakage could strengthen Lincoln’s long-term financial health while generating revenue to support city services without sacrificing the community’s identity. — Nicole Buss, Sacbee.com, 27 July 2026

Engineers must understand prompt injection, data leakage and model misuse, and design agents with clear boundaries and oversight triggers. — Erik Aasberg, Forbes.com, 23 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