Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “leak”

leak

verb [I or T] uk   /liːk/ us  

leak verb [I or T] (LIQUID/GAS)

B2 (of a liquid or gas) to escape from a hole or crack in a pipe or container or (of a container) to allow liquid or gas to escape: Water was leaking from the pipe. Oil leaked out of the car. The tin was leaking. The car leaked oil all over the drive.

leak verb [I or T] (INFORMATION)

C2 to allow secret information to become generally known: He leaked the names to the press. News of the pay cuts had somehow leaked out.

leak

noun [C] uk   /liːk/ us  

leak noun [C] (LIQUID/GAS)

B2 a hole or crack through which a liquid or gas can flow out of a container, or the liquid or gas that comes out: There's water on the floor - we must have a leak. If you suspect a gas leak, phone the emergency number.

leak noun [C] (INFORMATION)

C2 the origin of secret information which becomes known, or the act of making it known: There have been several security leaks recently. They traced the leak to a secretary in the finance department.
(Definition of leak from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of leak?
Add Cambridge dictionaries to your browser to your website

Definitions of “leak” in other dictionaries

Word of the Day

debut

the occasion when someone performs or presents something to the public for the first time

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

silver splicer noun

November 17, 2014
informal a person who marries in later life Newly retired and now newlywed – rise of the ‘silver splicers’ Reaching pension age becomes a trigger to tie the knot as baby-boomers begin to redefine retirement

Read More