knock

knock is one of the 1000 most common headwords.

kitchen - knock - know

Pronunciation

• IPA ^(key): /nɒk/
• SAMPA: /nAk/

• Audio (US)

  (file)

Noun

Singular knock

Plural knocks

1. (countable & uncountable) A sound from something hard hitting wood.
2. (countable) An impact.

Verb

Plain form knock

Third-person singular knocks

Past tense knocked

Past participle knocked

Present participle knocking

1. When you knock on something, you hit your knuckles onto it repeatedly.

   She knocked on my door three times before I opened it.

2. When you knock something, you hit it, often accidentally.