Definition of knock
- was knocked out of the campaign
- always knocking those in authority
- a comedian who really knocks them dead
- a performance that will knock your socks off
- knocked together my own bookcase
The ball knocked him on the chin.
She knocked the glass from his hand.
He knocked the baseball over the fence.
The ball hit him in the mouth and knocked out one of his teeth.
The wind knocked him backwards.
The dog knocked against the lamp.
My knee accidentally knocked against the table.
Skaters were knocking into each other all over the ice.
I accidentally knocked my knee against the table.
First Known Use: before 12th centurySee Words from the same year
He gave him a knock on the head.
There was a loud knock at the door.
She took some knocks early in her career.
He likes praise but can't stand the knocks.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'knock.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: to hit something (such as a door) with the knuckles of your hand or with a hard object (such as a knocker) in order to get people's attention
: to hit (something or someone) in a forceful way
: to touch or hit someone or something in a way that is not planned or intended
: a hard, sharp hit
: the sound made by a hard hit
: an experience that makes you less confident or successful for a period of time : a difficult or painful experience
What made you want to look up knock? Please tell us where you read or heard it (including the quote, if possible).
feeling or showing sorrow and remorse
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