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 …

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

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

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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.