knock

verb
UK: /nɒk/
US: /nɑːk/

  1. To hit a door to get someone's attention.

    1. I will knock on the door. [ ] [ ]
    2. Please knock loudly before entering the room to avoid startling anyone. [ ] [ ]

  2. To collide with something, often making a noise.

    1. I didn't see it and I did knock it. [ ] [ ]
    2. The wind was so strong that it did knock over several garbage cans. [ ] [ ]

  3. To criticize someone or something.

    1. Don't knock it 'til you try it. [ ] [ ]
    2. It's easy to knock the project without understanding the challenges involved. [ ] [ ]

Synonyms

slam bump bang rap strike criticize hit
knock noun

  1. The sound of hitting something.

    1. I heard a knock at the door. [ ] [ ]
    2. The loud knock from the engine indicated a serious mechanical problem. [ ] [ ]

  2. A blow or impact.

    1. He took a nasty knock to the head. [ ] [ ]
    2. The car accident was just a small knock, no one was hurt. [ ] [ ]
knock idiom

  1. Knock someone dead - to impress or overwhelm someone.

    1. She will knock them dead tonight. [ ] [ ]
    2. That dress will knock everyone dead at the party, you'll look amazing. [ ] [ ]

  2. Knock on wood - said in order to avoid bad luck after a boast or statement about one's good fortune.

    1. I never get sick, knock on wood. [ ] [ ]
    2. We haven't had any accidents, knock on wood, but safety is always a priority. [ ] [ ]
knock phrasal-verb

  1. Knock out - to make someone become unconscious or fall asleep.

    1. The punch did knock him out. [ ] [ ]
    2. The medication will knock you out, so be prepared to rest afterwards. [ ] [ ]

  2. Knock something out - to produce something quickly and easily.

    1. I can knock it out in an hour. [ ] [ ]
    2. She can knock out beautiful paintings in just a few hours, it's amazing. [ ] [ ]

  3. Knock something down - to destroy a building.

    1. They will knock that building down. [ ] [ ]
    2. The city decided to knock down the old warehouse to build a new park. [ ] [ ]

Frequently Asked Questions

The word "knock" in English means: To hit a door to get someone's attention., To collide with something, often making a noise., To criticize someone or something..

The phonetic transcription of "knock" is /nɒk/ in British English and /nɑːk/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "knock": slam, bump, bang, rap, strike, criticize, hit.

Example usage of "knock": "I will knock on the door.". More examples on the page.