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

Updating Incident Response Playbooks: Add AI-specific incident types (e.g., prompt leakage, model misuse). —Tannu Jiwnani, Forbes.com, 9 July 2025

Some commenters raised concerns that hydrogen also produces air pollutants such as nitrogen oxides and can be more prone to leakage and explosions. —Emilie Takahashi, Oc Register, 3 July 2025

Dump and refill after every use if there was excessive dirt, diaper leakage, or any standing water for more than a day. —Lauren Bengtson, Better Homes & Gardens, 25 June 2025

Likewise, sealing any cracks and using draft blockers can prevent air leakage. —Andrea Thompson, Scientific American, 24 June 2025

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