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 …

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The meaning of KNOCK is to strike something with a sharp blow. How to use knock in a sentence.

KNOCKING definition: the sound or action of a knock, especially when sustained or repeated. See examples of knocking used in a sentence.

Discover everything about the word "KNOCKING" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

1. 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.

Dec 14, 2025 · knocking (plural knockings) An act in which something is knocked on, or the sound thus produced quotations

If your heart is knocking it is beating very hard, usually because you are nervous or excited. His heart was knocking in his chest.

to make by striking a blow or blows: to knock a hole in the wall. to strike (a thing) against something else.

Definition of knock verb from the Oxford Advanced Learner's Dictionary. [intransitive] to hit a door, etc. in order to attract attention synonym rap. He knocked three times and waited. Somebody …