The meaning of LEAK is to enter or escape through an opening usually by a fault or mistake. How to use leak in a sentence.

LEAKING definition: 1. present participle of leak 2. (of a liquid or gas) to escape from a hole or crack in a pipe or…. Learn more.

1. To permit (a substance) to escape or pass through a breach or flaw: a damaged reactor leaking radioactivity into the atmosphere. 2. To disclose without authorization or official sanction: …

Fumes leaked through the crack in the pipe. Air leaked out of the tire. Water was leaking through a hole in the roof.

Jan 6, 2026 · A crack, crevice, fissure, or hole which admits water or other fluid, or lets it escape. a leak in a roof a leak in a boat a leak in a gas pipe The entrance or escape of a fluid through …

leak From Longman Dictionary of Contemporary English leak1 /liːk/ verb 1 [intransitive, transitive] if a container, pipe, roof etc leaks, or if it leaks gas, liquid etc, there is a small hole or crack in it …

to pass in or out in this manner, as liquid, gas, or light: gas leaking from a pipe. to become known unintentionally (usually fol. by out): The news leaked out.