Meaning & use
knock
To strike a surface, especially a door, with sharp blows to attract attention.
See it in a sentence
Someone knocked on the door just as we sat down for dinner.
She knocked twice before entering her boss's office.
A note on using this word
Informally, "to knock" someone or something also means to criticize it, as in "don't knock it till you try it."
Words with a similar meaning
raptap
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Another way to use it
2. noun
A sharp blow or the sound made by striking something, especially a door.
We heard a loud knock at midnight and jumped out of bed.
Make it your own
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