<p><strong>Noun:</strong></p><ul><li>an unintended hole, crack, or the like, through which liquid, gas, light, etc., enters or escapes: a leak in the roof</li><li>an act or instance of leaking</li><li>any means of unintended entrance or escape</li><li>Electricity: the loss of current from a conductor, usually resulting from poor insulation</li><li>a disclosure of secret, especially official, information, as to the news media, by an unnamed source</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>to let a liquid, gas, light, etc., enter or escape, as through an unintended hole or crack: The boat leaks</li><li>to pass in or out in this manner, as liquid, gas, or light: gas leaking from a pipe</li><li>to become known unintentionally (usually followed by out): The news leaked out</li><li>to disclose secret, especially official, information anonymously, as to the news media: The official revealed that he had leaked to the press in the hope of saving his own reputation</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>to let (liquid, gas, light, etc.) enter or escape: This camera leaks light</li><li>to allow to become known, as information given out covertly: to leak the news of the ambassador's visit</li></ul>