to knock on the door before entering. to strike in collision; bump. He knocked into a table. to make a pounding noise. The engine of our car is knocking badly. Informal. to engage in trivial or carping criticism; find fault.
- To strike a sharp audible blow or series of blows, as on a door. 2. To collide with something: knocked into the table. 3. To make a pounding or clanking noise: The car engine is knocking.
knocking definition: act of producing a knock or sound. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "knocking on the door of", "come knocking", "knocking on for fifty".
Knocking is the action of hitting a surface, typically in a series of audible impacts, often with the intention of gaining attention or alerting someone of your presence. It is commonly done on doors, windows or walls. In the mechanical context, knocking can refer to the undesired combustion of fuel in an internal combustion engine.
An act in which something is knocked on, or the sound thus produced. Without knocking, he strode into the chamber. The twins came barreling up to her, nearly knocking her down. We were checking the mare and she bolted, knocking the stable boy down. Are you next of kin? a doctor asked, knocking on the door. He thrashed, knocking Kris back.
Discover Knocking: The Marketplace where brands reach millions, partnering with National and Local Media to unlock new revenue streams. We help brands reach a massive audience through our media collaboration platform.
If an engine is knocking, it is producing a repeated high sound either because the fuel is not burning correctly or because a small part is damaged and is therefore allowing another part to move in ways that it should not.