Knock
Noun, Verb
UK
/nɒk/
US
/nɑːk/
Definition
(v) : To hit something to make a sound; to hit by accident; to criticize.
(n) : The sound made by hitting.
(n) : The sound made by hitting.
Example
"(v) : She knocked on the door."
"(v) :He knocked the book off the shelf when he walked past it too quickly."
"(n) : I heard a loud knock at the door and went to see who it was."
Explanation
Knock usually means to hit something, especially a door, with your hand to make a sound so someone knows you are there. For example, she knocked on the door before entering. It can also mean to hit something by accident, like he knocked the glass off the table. As a noun, a knock means the sound of hitting, such as I heard a knock at the door. The word can also mean to criticise someone, like they knocked his idea without listening fully.