verb (used without object)
verb (used with object)
- one of a combination of dealers who bid together, rather than against each other, at an auction, and later resell the purchases among themselves.
- an auction at which this is done.
- the sale of merchandise recently obtained by a dealer at an auction.
- to wander aimlessly or idly; loaf.
- to mistreat (someone), especially physically.
- to jar; shake up.
- to sell at auction by a blow of the hammer or to a bidder.
- to take apart or disassemble, as for facility in handling, storing, shipping, etc.
- Slang. to receive, as a salary or a scholastic grade; earn: He knocks down 30 grand a year.
- Informal. to lower the price of; reduce: to knock down end-of-season leftovers.
- Slang. to embezzle or steal (money).
- to cause (a sailing vessel) to heel, as by a gust of wind, to such a degree that it cannot right itself.
- Informal. to cease activity, especially work: to knock off at five every day.
- to stop doing something; quit: Knock it off or you'll get into a mess.
- Slang. to dispose of; finish.
- Slang. to murder; kill.
- Slang. to die.
- Slang. to get rid of; reduce.
- Slang. to disable or defeat.
- Slang. to commit a robbery at; steal from: The gang knocked off a gas station.
- Nautical Slang. to blow the head (of a sailing vessel) off the wind.
- to imitate, copy, or plagiarize:to knock off designer dresses in cheap materials.
- to defeat (an opponent) in a boxing match by striking such a blow that the opponent is unable to rise within the specified time.
- to render (a person) unconscious: Those sleeping pills knocked me out for ten hours.
- to make tired or exhausted: Christmas shopping always knocks me out.
- Informal. to produce quickly, hurriedly, or with ease: He knocks out two poems a day.
- to damage or destroy: The explosion knocked out the power for several hours.
- knock (def. 28).
- to strike (someone or something) from an erect to a prone position: to knock over a lamp.
- to distress; overcome: When the announcement came we were completely knocked over.
- Slang. to rob, burglarize, or hijack: He knocked over five banks.
- Slang. to make pregnant.
- to exhaust; weary; tire.
- to damage; mar: The children knocked up the new table.
- to injure; wound: He was afraid to come home from school all knocked up again.
- British. to wake up; rouse; call: He knocked us up before dawn.
THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?
Idioms for knock
Origin of knock
synonym study for knock
OTHER WORDS FROM knockknockless, adjectivere·knock, verbun·knocked, adjectiveun·knock·ing, adjective
Words nearby knock
What is a basic definition of knock?
Knock is a verb that means to hit something by bumping into it. Knock also means to repeatedly strike something to make a noise. Knock is used as a noun to mean a sound made by repeated tapping. Knock has many other senses as a verb and a noun. It is also used in several idioms.
Knock means to strike something by bumping into it or colliding with it. This sense of knock is often followed by what was bumped into (knocked onto the floor).
- Real-life examples: In bowling, the goal is to knock down all of the pins with a bowling ball. In boxing, the competitors repeatedly knock each other in the head and body with their fists. It is difficult to build a house of cards without accidentally knocking it over.
- Used in a sentence: Shawna wasn’t paying attention and accidentally knocked over a stack of boxes.
When you knock on a door, you hit it with your knuckles, fist, or an object, like a door knocker, usually repeatedly. You might knock on a door or window to get someone’s attention or to signal to them that you want to be let inside (or out!).
- Used in a sentence: He knocked on the wall with his umbrella to get everyone’s attention.
In a related sense, a knock is the noise you make when you hit something, like a door or window, to get someone’s attention.
- Used in a sentence: I think you have a visitor because I heard a knock at the door.
The word knock is used in several idioms. For example, if someone “knocks your socks off,” it means they have a positive, overwhelming effect on you.
Where does knock come from?
The first records of knock come before the year 1000. It comes from the Old English cnocian and is related to the Old Norse verb knoka, meaning “to thump.”
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What are some other forms related to knock?
- knocker (noun)
- knockless (adjective)
- reknock (verb)
- unknocked (adjective)
- unknocking (adjective)
What are some synonyms for knock?
What are some words that share a root or word element with knock?
What are some words that often get used in discussing knock?
How is knock used in real life?
Knock is a common word that often means to tap something with your knuckles or to bump into something.
A man just randomly knocked on my door and asked me for money. Then he walked off and didn't knock on anyone else's door on my street.
— Seth Worley (@Awakeland3D) September 24, 2009
Pulled my calf muscle while trying to catch a lamp that my scamp of a cat knocked over.
Yeah. It’s going to be one of *those* days, isn’t it…
— Neil Grayston (@neilgrayston) January 17, 2021
A lightning strike has knocked a tree down onto a two-storey house at 159 Stewart St. around 7:30 p.m.
— PeterboroughExaminer (@PtboExaminer) June 8, 2011
Try using knock!
Is knock used correctly in the following sentence?
The cat knocked the pitcher off the table, and it smashed against the floor.
Example sentences from the Web for knock
The most worrisome cases are still the ones where a knock on the door yields no answer, or when the address belongs to an abandoned home.
This courageous act earned him a late-night knock on the door with orders for Serna to vamos from Cuba.
In the back of my mind I was wondering how much time we had before there might be an ominous knock at the door.The Life and Hard Times Of The Family A Cuban Defector Left Behind|Brin-Jonathan Butler|December 19, 2014|DAILY BEAST
I was writing Lorrie Moore knock-off short stories before I switched to nonfiction.Meghan Daum On Tackling The Unspeakable Parts Of Life|David Yaffe|December 6, 2014|DAILY BEAST
Still, we had the 13 dwarves to deal with, but at least in this movie we get to knock a couple off, which is a relief.‘No Regrets’: Peter Jackson Says Goodbye to Middle-Earth|Alex Suskind|December 4, 2014|DAILY BEAST
But hey, if you want to take on Cosby for telling you to stay in school, knock yourself out.
If the Turks get hold of a lot of fresh men and throw them upon us during the night,—perhaps they may knock us off into the sea.Gallipoli Diary, Volume I|Ian Hamilton
There was no response to the knock, and Davy cautiously pushed open the door and went in.Davy and The Goblin|Charles E. Carryl
Captain Lovelock got up as well; Bernard heard him knock over his little gilded chair.Confidence|Henry James
“I think it is a knock at the door,” said Mr. Pickwick, as if there could be the smallest doubt of the fact!The Posthumous Papers of the Pickwick Club, v. 2(of 2)|Charles Dickens
But a knock at the door interrupted them; the discreet Capt entered, bearing a telegram upon a salver.The Pit Town Coronet, Volume I (of 3)|Charles James Wills
British Dictionary definitions for knock
- to daze or kill (a person) by striking on the head
- effectively to prevent the further development of (a plan)
- a blow, push, or raphe gave the table a knock
- the sound so caused
Word Origin for knock
Idioms and Phrases with knock
In addition to the idioms beginning with knock
- knock about
- knock back
- knock cold
- knock dead
- knock down
- knock down with a feather
- knock for a loop
- knock into a cocked hat
- knock it off
- knock off
- knock oneself out
- knock on wood
- knock out
- knock over
- knock over with a feather
- knock someone's block off
- knock someone's socks off
- knock the bottom out of
- knock the living daylights out of
- knock the socks off
- knock together
- knock up
- beat (knock) into someone's head
- beat (knock) the living daylights out of
- (knock) down to size
- (knock) off someone's feet
- school of hard knocks