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

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.
More examples

leak noun [C] (INFORMATION)

C2 the origin of secret information that 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

hard luck story

a story or piece of information that someone tells you or writes about himself or herself, intended to make you feel feel sympathy for that person

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