knock

knock1 [ nak ] verb ***

1. ) intransitive or transitive to hit something, causing damage or harm:

Mike had knocked his leg against a table.

a ) transitive to hit something and force it somewhere:

He knocked a couple of nails into the door.

b ) transitive knock someone to/off/over/down to hit someone very hard, so that they fall or become unconscious:

They knocked him to the ground.

The force was powerful enough to knock him off balance.

knock someone off their feet: Each fighter tries to knock the other off his feet.

knock someone unconscious: The driver had been knocked unconscious by the impact.

c ) transitive to hit a ball:

He knocked two out of the park.

d ) transitive to make a hole or space in something by hitting it repeatedly:

knock a hole for a doorway

2. ) intransitive if an engine or machine knocks, it makes noises that show it is not working correctly

3. ) transitive to criticize someone or something in a way that seems unfair:

The newspapers spend too much time knocking government policy.

4. ) intransitive to hit a door with your hand or a KNOCKER so that the people inside know you are there:

They walked up to the door and knocked loudly.

knock on/at: I knocked on his door but got no answer.

I'll knock your heads together SPOKEN

used for threatening to punish two people or groups who are fighting

knock the breath/wind out of someone

to hit or throw someone, so that they cannot breathe easily

knock 'em dead SPOKEN

used for encouraging someone to impress people

knock someone for a loop INFORMAL

to make someone feel very shocked or upset

knock someone's head/block off INFORMAL

used for threatening to hit someone and hurt them very badly

knock it off SPOKEN

used for telling someone to stop doing something

knock something on the head BRITISH INFORMAL

1. ) to decide not to do something

2. ) to prevent something from happening

3. ) to say or show that something is not true

knock on wood AMERICAN SPOKEN

something you say when you want your good luck to continue. People sometimes knock on something made of wood when they say this.

knock your socks off INFORMAL

to be very impressive

knock some sense into someone INFORMAL

to make someone start behaving in a more sensible way

knock spots off BRITISH INFORMAL

to be much better than someone or something

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,knock a`round phrasal verb

1. ) transitive to discuss ideas in an informal way

2. ) transitive knock someone around INFORMAL to hit someone a lot:

Her husband had been knocking her around.

3. ) intransitive or transitive INFORMAL to spend time somewhere with no particular purpose:

I'd knocked around the Mediterranean for a few years.

a ) intransitive knock around with/together MAINLY BRITISH to spend time with someone because you are friends

b ) intransitive or transitive BRITISH to be somewhere in a place, although you do not know exactly where

,knock `back phrasal verb transitive INFORMAL

1. ) to drink alcohol quickly:

She poured herself a drink and knocked it back.

2. ) BRITISH to cause problems or delays

,knock `down phrasal verb transitive

1. ) to destroy a building or wall:

The far wall could be knocked down to make the room bigger.

2. ) knock down or knock over BRITISH to hit someone with a vehicle:

Sue was knocked down just yards from her home.

3. ) INFORMAL to reduce a price or amount:

They knocked the price of a glass of wine down to $1.45.

,knock `off phrasal verb INFORMAL

1. ) intransitive or transitive knock of something to stop working:

Do you want to knock off early tonight?

He knocks off work at 6.

2. ) transitive to murder someone

3. ) transitive to reduce a price or an amount:

They'll knock some off the price if you pick it up it yourself.

Kelly knocked two seconds off her previous time.

4. ) transitive to produce something quickly and carelessly, often a copy of something else

5. ) transitive BRITISH OFFENSIVE to have sex with someone

6. ) transitive BRITISH to steal something

,knock `out phrasal verb transitive

1. ) to make someone unconscious

2. ) to make someone leave a competition by defeating them:

The home team was knocked out of the tournament in the first round.

3. ) to destroy something or stop it working

4. ) knock someone out INFORMAL to impress someone very much

5. ) knock someone out INFORMAL to make someone feel very shocked or upset

6. ) INFORMAL to produce something quickly or carelessly

knock yourself out INFORMAL

to do a lot of work in order to achieve something

,knock `over phrasal verb transitive

1. ) AMERICAN INFORMAL to steal money or goods from a bank or business, especially using violence

2. ) BRITISH same as KNOCK DOWN 2

,knock `up phrasal verb transitive

1. ) OFFENSIVE to make a woman pregnant

2. ) BRITISH INFORMAL to wake or call someone by knocking on their door

3. ) BRITISH INFORMAL to produce something quickly and easily

knock

knock 2 [ nak ] noun count *

1. ) the sound of someone knocking on a door:

knock on/at: There was a loud knock at the door.

a ) a series of noises that an engine or machine makes when it is not working correctly

2. ) an injury or damage caused by being knocked:

a nasty knock on the head

a ) an instance of knocking someone or something:

The watch is built to withstand the occasional knock.

3. ) something bad or unpleasant that happens to someone:

hard knocks: Life is full of hard knocks.