knock down

phrasal verb·3 senses·particle down

Usefulness

Meanings

1

Hit someone or something so it falls

Why “down”? Movement goes from high to low.

He was knocked down by a car.
He was hit by a car and fell.
A cyclist knocked the boy down.
A cyclist hit the boy and made him fall.
The storm knocked several trees down.
The storm made several trees fall.
2

Demolish a building or wall

They knocked down the old hospital.
They demolished the old hospital.
Workers knocked down the brick wall.
Workers demolished the brick wall.
3

Persuade a seller to lower the price

Lessuncommon

Why “down”? A level or amount becomes lower. This can happen to prices, sound, heat, or speed.

Leo knocked the market price down by asking the seller for a small discount.
Leo persuaded the seller to reduce the market price.
He knocked the price down by ten percent.
He persuaded the seller to lower the price by ten percent.
She knocked the rent down by fifty pounds.
She persuaded the owner to lower the rent by fifty pounds.

Don't confuse with

knock downknock out

Knock down means hit someone or something so it falls. Knock out means hit someone unconscious.

Test yourself

He was knocked down by a car. What does it mean?

Nearby in the meaning map

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