(~s, ~ing, ~ed)
Frequency: The word is one of the 3000 most common words in English.
1.
If you ~ on something such as a door or window, you hit it, usually several times, to attract someone’s attention.
She went directly to Simon’s apartment and ~ed on the door...
He ~ed before going in.
VERB: V on/at n, V
•
Knock is also a noun.
They heard a ~ at the front door.
N-COUNT
~ing
They were wakened by a loud ~ing at the door.
N-SING: also no det
2.
If you ~ something, you touch or hit it roughly, especially so that it falls or moves.
She accidentally ~ed the tea tin off the shelf...
Isabel rose so abruptly that she ~ed down her chair...
VERB: V n prep, V n with adv
•
Knock is also a noun.
The bags have tough exterior materials to protect against ~s, rain and dust.
N-COUNT
3.
If someone ~s two rooms or buildings into one, or ~s them together, they make them form one room or building by removing a wall.
They decided to ~ the two rooms into one...
The spacious kitchen was achieved by ~ing together three small rooms.
VERB: V pl-n into n, V pl-n with together
4.
To ~ someone into a particular position or condition means to hit them very hard so that they fall over or become unconscious.
The third wave was so strong it ~ed me backwards...
Someone had ~ed him unconscious.
VERB: V n prep/adv, V n adj
5.
To ~ a particular quality or characteristic out of someone means to make them lose it.
The stories of his links with the actress had ~ed the fun out of him...
Those people hurt me and ~ed my confidence.
VERB: no cont, V n out of n, V n
6.
If you ~ something or someone, you criticize them and say unpleasant things about them. (INFORMAL)
I’m not ~ing them: if they want to do it, it’s up to them...
VERB: V n
7.
If someone receives a ~, they have an unpleasant experience which prevents them from achieving something or which causes them to change their attitudes or plans.
What they said was a real ~ to my self-confidence...
= blow
N-COUNT
8.
to ~ something on the head: see head
to ~ someone or something into shape: see shape