KNOCK SOMEONE OUT | English meaning - Cambridge Dictionary
/ Sign up
English (UK)

Meaning of knock someone out in English

knock someone out

phrasal verb with knock verb
uk
/nɒk/ us
/nɑːk/

(MAKE UNCONSCIOUS)

Add to word list Add to word list
B2
to hit someone so that they become unconscious:
His opponent knocked him out with one punch.
See also
knockout noun (UNCONSCIOUS)
SMART Vocabulary: related words and phrases
Losing consciousness
See more results »

(MAKE SLEEP)

If a drug or alcohol knocks you out, it makes you go to sleep:
The sleeping tablets knocked him out for 18 hours.
SMART Vocabulary: related words and phrases
Medicines & drugs: administering drugs & medicines
See more results »

(DEFEAT)

B2
to defeat a person or a team in a competition so that they can no longer take part in it:
be knocked out (of) The champion was unexpectedly knocked out (of the tournament) in the first round.
Thesaurus: synonyms, antonyms, and examples
to beat someone in a race, competition, etc.
  • beatUnited beat City 3 - 2.
  • defeatCan Ireland defeat New Zealand in this high-stakes match?
  • conquerThe Greeks had fought and conquered the army of Mardonius.
  • vanquishThe superhero always vanquishes his foes and saves the world.
  • annihilateModern superpowers succeed not by annihilating their enemies but by buying them off.
  • hammerThe Colts got hammered by the Patriots.
See more results »
SMART Vocabulary: related words and phrases
Winning, losing & scoring in sport
See more results »

(IMPRESS)

old-fashioned slang
to cause enjoyment or admiration in someone:
We were all really knocked out by the film.
SMART Vocabulary: related words and phrases
Causing pleasure
See more results »

knock yourself out

phrasal verb with knock verb
uk
/nɒk/ us
/nɑːk/
to make yourself unconscious, usually by hitting your head:
She hit her head on the ceiling and knocked herself out.
informal
to make yourself ill with tiredness:
If you carry on working like this, you'll knock yourself out.
SMART Vocabulary: related words and phrases
Losing consciousness
See more results »

You can also find related words, phrases, and synonyms in the topics:

knock something out

phrasal verb with knock verb
uk
/nɒk/ us
/nɑːk/

(PRODUCE)

informal
to produce something quickly without spending time thinking about the details:
I've knocked out a first draft of the report that we can amend at a later date.
See also
knock something off (PRODUCE) informal
SMART Vocabulary: related words and phrases
Creating and producing
See more results »

(DESTROY)

If something such as a piece of equipment is knocked out by something else, it stops working or is damaged or destroyed:
The surge in the power supply knocked out all the computers.
Enemy aircraft have knocked out 25 tanks.
SMART Vocabulary: related words and phrases
Destroying and demolishing
See more results »
(Definition of knock someone out from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

knock out someone | American Dictionary

knock out someone

phrasal verb with knock verb
us
/nɑk/

(HIT)

Add to word list Add to word list
to hit someone so that the person becomes unconscious, or to cause someone to go to sleep:
His fall from the ladder knocked him out.
Those sleeping pills knocked me out.
If something such as a system or piece of equipment is knocked out by something else, it stops operating:
The lightning knocked out our electricity.

knock out something/someone

phrasal verb with knock verb
us
/nɑk/

(REMOVE)

to remove something, esp. by hitting it with force:
Sean fell off his bike and knocked two teeth out.
A person or team that is knocked out of a competition is defeated and no longer can take part:
A loss in today’s game will knock our team out of the playoffs.
(Definition of knock someone out from the Cambridge Academic Content Dictionary © Cambridge University Press)

knock sth out | Business English

knock sth out

phrasal verb with knock verb [ T ]
uk
/nɒk/ us
informal
Add to word list Add to word list
to produce something quickly without spending time thinking about the details:
Modern computer games take a long time to develop; you can no longer knock one out in three months.
to stop a machine, system, etc. from working:
Powerful storms knocked out electricity to more than a million customers in the area in July.
(Definition of knock someone out from the Cambridge Business English Dictionary © Cambridge University Press)

Translations of knock someone out

in Chinese (Traditional)
使不省人事, 擊昏（某人）, 使（某人）不省人事…
See more
in Chinese (Simplified)
使不省人事, 击昏（某人）, 使（某人）不醒人事…
See more
in Spanish
dejar inconsciente a alguien, eliminar a alguien, noquear…
See more
in Portuguese
levar alguém a nocaute, eliminar alguém, derrubar…
See more
in more languages
in Marathi
in Japanese
in Catalan
in Telugu
in Arabic
in Tamil
in Hindi
in Bengali
in Gujarati
in Korean
in Urdu
in Italian
जबरदस्त ठोसा मारणे, जोरात मारणे जेणेकरून दुसरा बेशुद्ध होईल., चीत करणे…
See more
（人）を気絶させる, （勝ち抜き戦で）敗退させる…
See more
deixar inconscient algú, eliminar algú…
See more
స్పృహ పోయేలా ఎవరినైనా కొట్టు, పోటీలో ఒక వ్యక్తిని లేదా జట్టును వాళ్ళు ఇకముందు దానిలో పాల్గొనలేనంతగా ఓడించు…
See more
يُفْقِد شَخصاً ما الوَعي, َضَربة قاضِية…
See more
ஒருவரை அடிப்பதன் காரணமாக அவர்கள் மயக்கமடைய வேண்டும், ஒரு போட்டியில் ஒரு நபரை அல்லது அணியை தோற்கடிக்க, அதனால் அவர்கள் இனி அதில் பங்கேற்க முடியாது…
See more
किसी को इस तरह मारना कि वह बेहोश हो जाए, किसी व्यक्ति या टीम को किसी प्रतिस्पर्धा में इस तरह हराना कि वे आगे उसमें हिस्सा ना ले पाएँ…
See more
কাউকে আঘাত করা যাতে সে অজ্ঞান হয়ে যায়, প্রতিযোগিতায় একটি ব্যক্তি বা একটি দলকে পরাজিত করা যাতে তারা আর এতে অংশ নিতে না পারে…
See more
કોઈને બેભાન પછાડો, કોઈ વ્યક્તિ અથવા ટીમને સ્પર્ધામાં હરાવો જેથી તેઓ હવે તેમાં ભાગ લઈ શકે નહીં…
See more
때려 눕히다, -을 탈락시키다…
See more
گھونسہ مارکر بیہوش کردینا, شکست دینا, ہرانا…
See more
mettere qualcuno al tappeto, fare svenire qualcuno, eliminare qualcuno…
See more
Need a translator?

Get a quick, free translation!

Translator tool
 

Browse

knock sb/sth out of the park idiom
knock someone back
knock someone down
knock someone off their pedestal idiom
knock someone out
knock someone over
knock someone sideways/for six idiom
knock someone's block off idiom
knock something into a cocked hat idiom
has been added to list
To top
Contents
EnglishAmericanBusinessTranslations
English (UK)   Change
English (UK) English (US) Español Русский Português Deutsch Français Italiano 中文 (简体) 正體中文 (繁體) Polski 한국어 Türkçe 日本語 Tiếng Việt Nederlands Svenska Dansk Norsk हिंदी বাঙ্গালি मराठी ગુજરાતી தமிழ் తెలుగు Українська
Follow us
Choose a dictionary
  • Recent and Recommended
  • Definitions
    Clear explanations of natural written and spoken English
    English Learner’s Dictionary Essential British English Essential American English
  • Grammar and thesaurus
    Usage explanations of natural written and spoken English
    Grammar Thesaurus
  • Pronunciation
    British and American pronunciations with audio
    English Pronunciation
  • Translation
    Click on the arrows to change the translation direction.
    Bilingual Dictionaries
    • English–Chinese (Simplified) Chinese (Simplified)–English
    • English–Chinese (Traditional) Chinese (Traditional)–English
    • English–Dutch Dutch–English
    • English–French French–English
    • English–German German–English
    • English–Indonesian Indonesian–English
    • English–Italian Italian–English
    • English–Japanese Japanese–English
    • English–Norwegian Norwegian–English
    • English–Polish Polish–English
    • English–Portuguese Portuguese–English
    • English–Spanish Spanish–English
    • English–Swedish Swedish–English
    Semi-bilingual Dictionaries
    English–Arabic English–Bengali English–Catalan English–Czech English–Danish English–Gujarati English–Hindi English–Korean English–Malay English–Marathi English–Russian English–Tamil English–Telugu English–Thai English–Turkish English–Ukrainian English–Urdu English–Vietnamese
  • Dictionary +Plus
    Word Lists
Contents
My word lists

To add knock someone out to a word list please sign up or log in.

Sign up or Log in
My word lists

Add knock someone out to one of your lists below, or create a new one.

More
Go to your word lists
Tell us about this example sentence: