knocking
Translation
knocking, rapping
Examples
I hear a loud knocking at the door.
I hear a loud knocking at the door.
The engine is making a strange knocking noise.
The engine is making a strange knocking noise.
Grammar Patterns
a knocking ((at/on sth.)) a sound of hitting a surface I hear a knocking at the door.
Similar Words
Synonyms: tapping, rapping, banging
Etymology
From the verb 'knock' + the suffix '-ing' to form a noun (gerund). 'Knock' is of onomatopoeic origin.
Memory Tips
Think of the sound 'knock-knock-knocking' to remember the word for the sound itself.