knock

word

/ˈnɑk/
nahk
/nˈɒk/
nok

Definition

To hit something, usually a door, to get attention or make a noise. It can also mean a sudden hit or to criticize someone in an informal way.

Usage & Nuances

'Knock on the door' is the most common phrase; 'knock' can be used both as a noun and a verb. Informal: can mean to criticize ('don't knock it until you try it'). Can combine with phrases like 'knock out' (hit hard), 'knock off' (reduce), 'knock back' (drink quickly).

Example Sentences

I accidentally knocked my coffee over the keyboard.

natural

Please knock before you enter.

basic

Someone is knocking on the door.

basic

He heard a loud knock at midnight.

basic

Don't knock it until you try it.

natural

The wind kept knocking the window all night.

natural