Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “leak”

See all translations

leak

verb [I/T]  /lik/ us  
(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: [I] He heard the sound of dripping and saw water leaking from a pipe overhead. [T] The ship ran aground off the coast and began to leak oil. To leak is also to give out information privately, esp. when people in authority do not want it to be known: [T] Someone had leaked the news of the ambassador’s resignation to the press.
leaky
adjective [-er/-est only]  /ˈli·ki/ us  
There’s a leaky radiator in the bedroom.

leak

noun [C]  /lik/ us  
A leak is also the act of giving out information privately, esp. when people in authority do not want it to be known: The Justice Department was investigating security leaks.
(Definition of leak from the Cambridge Academic Content Dictionary © 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

bad/hard/tough luck

said to express sympathy with someone when something bad has happened to them

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More