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knock

knock

81 1.3
A short sharp sound made by hitting a surface or by a machine problem
  • noun
  • /nɑk/
translation icon : golpe
  • After he went home and I was left all alone, I heard a knock on the door.
  • a knock on the door
  • hear a knock

And so he buys a ticket, flies to Canada, Knock, knock, knock at the door.

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Examples

  • How we answer the knock at our doors matters more than ever.

    Academic text (2016)
  • A few minutes later, there was a knock at the judge's door.

    Academic text (2009)
  • I remember the fear of a knock on the door at night.

    Academic text (2006)
  • At this point, there was a knock at the door, and a boy put his head in.

    Academic text (1991)
  • In the middle of our conversation, there was a knock at her door.

    Fiction book (1990)
  • But within an hour, there was a knock at my door and my life was transformed.

    Academic text (2009)
  • Much later in the afternoon, he was startled by a sudden knock on the door.

    Fiction book (1991)
  • There was a soft knock on the door, and Warren strode over to open it.

    Fiction book (1990)
  • Well, last night there was a knock at the door and behold, there was Raymond on my doorstep.

  • I heard a knock on the door while I was watching a movie.

Synonyms

whack
vsknock
119 6.3

A sharp, forceful hit that makes a loud sound

is usually a sharp sound from hitting without implying heavy force
click
vsknock
73 1.0

A short sharp sound you hear when a switch or latch moves

is a louder broader sharp sound from hitting a surface or fault
rap
vsknock
25 2.1

A short sharp knock on a surface to get attention

is a stronger sharp sound produced by harder hitting
tapping
vsknock
22 1.9

A light repeated sound made by gentle knocks

is a single sharper or louder sound rather than gentle repetition
clack
vsknock
13 6.0

A short, sharp sound made when hard things hit each other

is a sharp sound from one object hitting a surface or fault
knocking
vsknock
8 2.2

A sharp repeated sound from a door or machine when parts hit each other

is the single sharp sound rather than a repeated or continuous one
thwack
vsknock
3 8.4

A hard loud hit from a flat object that makes a sharp sound

is the sharp sound from hitting but not necessarily from a heavy flat blow
rat-tat
vsknock
1 7.7

A series of quick, sharp knocks often on a door or drum

is a single or occasional sharp sound rather than a rapid series
klop
vsknock
9.9

A short sharp knocking sound like a quick tap

is the real sound caused by an actual hit or mechanical fault

Antonyms

660 2.0

A period with no sound or speech

Idioms

3 7.6

Make someone feel less proud by criticizing or embarrassing them

1 8.7

To surprise someone very much and leave them speechless

To be so surprised that you almost cannot react

To make someone feel very tired, weak, or sad

1 7.9

To defeat the person or team at the top and take their place

To hit or shock someone so they feel dazed

To sell a lot of movie tickets

To be hit so hard that you fall and cannot get up

knock on wood
  • Informal
6.8

You say it to avoid bad luck after saying something good

To hit someone very hard or to shock someone very much

Compounds

knock on
  • Jargon
7 8.2

The illegal action of hitting the ball forward with the hand or arm while trying to catch it

2 4.7

An indirect result of an event that causes other changes

knock knock
  • Informal
2 4.3

A short joke that starts with 'Knock knock!' and uses a call and answer

1 8.4

With knees that bend inward and touch while the ankles stay apart

knock rummy
  • Jargon
1 8.7

A rummy game where a player ends a round if unmatched cards total less than ten points

Very violent and intense, often about a fight or argument

Knees that turn inward and touch when the legs are straight

9.8

A strong feeling or sound in the stomach that tells you to eat soon

How Loud

to crash
71 2.4
bang
237 1.3
knock
81 1.3
tap
66 1.0
click
73 1.0

Surface Forms

knock singular
knocks plural

Etymology

Knock (a sharp sound) is from the same idea of copying a quick, hard noise made by a hit. That's why any sudden bang on a table or door is called a 'knock'.