Also found in: Thesaurus, Medical, Financial, Idioms, Encyclopedia, Wikipedia.


v. leaked, leak·ing, leaks
1. To permit the escape, entry, or passage of something through a breach or flaw: rusted pipes that were beginning to leak; a boat leaking at the seams.
2. To escape or pass through a breach or flaw: helium leaking slowly from the balloon.
3. To become publicly known through a breach of secrecy: The news has leaked.
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: leaked classified information to a reporter.
1. A crack or flaw that permits something to escape from or enter a container or conduit: fixed the leak in the roof.
a. The act or instance of leaking.
b. An amount leaked: equipment used in cleaning up oil leaks.
3. An unauthorized or a deliberate disclosure of confidential information: "Sometimes we can't respond to stories based on leaks" (Ronald Reagan).
a. Loss of electric current as a result of faulty insulation.
b. The path or place at which this loss takes place.
take a leak Vulgar Slang
To urinate.

[Middle English leken, probably from Middle Dutch lēken.]

leak′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Collins Multilingual Translator © HarperCollins Publishers 2009
References in classic literature ?
We are under sealed or ders, anyway, and we don't want any risk of our plans leaking out.
John's) abandoned, leaking after weather, 46 151 N.
The men sat huddled up trying not to stir, so as to warm the water that had trickled to their bodies and not admit the fresh cold water that was leaking in under their seats, their knees, and at the back of their necks.
With the second unit, Maynilad can fasttrack the detection and repair of pipe leaks, particularly in areas where there are high concentrations of leaking primary lines.
According to a leaked security document obtained by (https://www.cnbc.com/2019/05/03/tesla-email-warns-employees-stop-leaking.html) CNBC , Tesla has reminded its employees of immediate termination if they're caught leaking any company files.
Leaking lines can cause environmental damage, threaten worker safety and impact productivity.
For homeowners, this could mean plumbing that runs under the foundation, or in other unseen locations around the property where water might be leaking, but the result of the leak isn't readily visible.
* As soon as you smell gas or if you suspect that a gas appliance is leaking but you cannot smell anything, immediately extinguish any flames such as cigarettes or candles.
22 June 2017 - Leaking information on mergers and acquisitions deals before any public announcement of the transaction added an extra USD 21m to the average value of deals announced in 2016 that leaked, according to new research from Intralinks, a business of Synchronoss Technologies, Inc.
Pictures of exam papers claimed to be for Chemistry were posted by the "Shawmeng Helps Students Cheat" Facebook page that is known for leaking exams of different educational grades.
More than 20 people have been arrested on charges of leaking exam papers on the internet since early June.
Inspect pipes, fittings, supply hoses, shutoff valves and all water-using appliances for signs of corrosion or leaking. Fix small problems before they become big ones.