Footer

    Download on the App StoreGet it on Google Play

    About

    • About Us
    • Our Learning Services
    • Join Us
    • FAQ
    • Hot Tags

    Services

    • Pronunciation Challenge
    • Saved
    • Search Vocabulary
    • Blog

    Channels

    Levels

    • A1
    • A2
    • B1
    • B2
    • C1
    • C2

    Privacy˙Terms˙
    ©2026 VoiceTube Corporation. All rights reserved

    knockout

    US /ˈnɑkˌaʊt/

    ・

    UK /'nɒkaʊt/

    C2
    adj.AdjectiveExcellent, or wonderful; amazing
    Their first date was such a romantic knockout!
    n.NounA punch that makes a boxer unconscious
    The paramedics intervened at the match ended in a knockout
    n.NounA situation in boxing where a fighter is hit so hard that they fall to the ground and cannot get up before the referee counts to ten, thus losing the match.
    The boxer won the match by a knockout in the fifth round.
    v.t.Transitive VerbTo defeat an opponent in boxing by hitting them so hard that they fall to the ground and cannot get up before the referee counts to ten.
    The champion knocked out his opponent with a powerful uppercut.
    n.NounA decisive victory or success.
    The new product was a knockout, quickly outselling all competitors.
    v.t.Transitive VerbTo eliminate or defeat someone or something.
    The company's innovative strategy knocked out several smaller businesses.
    n.NounA drug or other substance that causes someone to become unconscious.
    The doctor gave him a knockout to prepare him for the surgery.
    v.t.Transitive VerbTo make someone unconscious by hitting them.
    The robber knocked him out with a blow to the head.
    n.NounAn organism in which a particular gene has been inactivated.
    The researchers created a knockout mouse to study the gene's function.

    Video subtitles

    The First Presidential Debate: Hillary Clinton And Donald Trump (Full Debate) | NBC News

    38:58The First Presidential Debate: Hillary Clinton And Donald Trump (Full Debate) | NBC News
    • IT WAS NOT A KNOCKOUT

      IT WAS NOT A KNOCKOUT

    B1

    World Cup 2022: Should Japan's goal have stood?

    04:12World Cup 2022: Should Japan's goal have stood?
    • So the goal of course against Spain, the goal given proved to be a shock winner sent Japan and their opponents spain through the knockout stages.

      So the goal of course against Spain, the goal given proved to be a shock winner sent Japan and their opponents spain through the knockout stages.

    • So the goal, of course, against Spain—the goal given, proved to be a shot winner—sent Japan and their opponent, Spain, through to the knockout stages.

      So the goal, of course, against Spain—the goal given, proved to be a shot winner—sent Japan and their opponent, Spain, through to the knockout stages.

    A2

    チェスの指導者だけど質問ある? | Tech Support | WIRED Japan

    16:00チェスの指導者だけど質問ある? | Tech Support | WIRED Japan
    • The World Cup is a knockout tournament that happens every two years in chess.

      The World Cup is a knockout tournament that happens every two years in chess.

    • The World Cup is a knockout tournament that happens every two years in chess.

      The World Cup is a knockout tournament that happens every two years in chess.

    B1

    Top 20 Facts About Superman

    18:00Top 20 Facts About Superman
    • He then went on to beat Hanya with another knockout.

      He then went on to beat Hanya with another knockout.

    • He then went on to beat Hunya with another knockout.

      He then went on to beat Hunya with another knockout.

    B2

    TRUTH FILES | Inside Project MKUltra: CIA's Dark Mind Control Program (Now Declassified)

    09:02TRUTH FILES | Inside Project MKUltra: CIA's Dark Mind Control Program (Now Declassified)
    • A knockout pill for covert use and inducing amnesia was also in development.

      A knockout pill for covert use and inducing amnesia was also in development.

    • A knockout pill for covert use and inducing amnesia was also in development.

      A knockout pill for covert use and inducing amnesia was also in development.

    B2

    Games for Fun & Learning | 6 Best Board Games That Teach | Kids Ages 3-8

    08:19Games for Fun & Learning | 6 Best Board Games That Teach | Kids Ages 3-8
    • Noodle Knockout.

      Noodle Knockout.

    • Noodle knockout.

      Noodle knockout.

    B2

    'Knock' in Phrasal Verbs - knock out, knock up, knock over...

    05:50'Knock' in Phrasal Verbs - knock out, knock up, knock over...
    • "knock up", "knock out", and "knock off". These are verbs. Of course, we have "knockout"

      "knock up", "knock out", and "knock off". These are verbs. Of course, we have "knockout"

    • "Knockout" has a completely different meaning from "knock out". You have to be very careful.

      "Knockout" has a completely different meaning from "knock out". You have to be very careful.

    A2

    President Trump's 100-Day Milestone: The Daily Show

    06:42President Trump's 100-Day Milestone: The Daily Show
    • Oh, it was a total knockout finish, my man.

      Oh, it was a total knockout finish, my man.

    • Oh, it was a total knockout finish, my man.

      Oh, it was a total knockout finish, my man.

    B1

    The Top 10 Weirdest Sports in the World - EXPLAINED!

    05:43The Top 10 Weirdest Sports in the World - EXPLAINED!
    • either by knockout, or by checkmate – whichever comes first.

      either by knockout, or by checkmate – whichever comes first.

    • You win this sport either by a knockout or by checkmate.

      You win this sport either by a knockout or by checkmate.

    B1

    Timothee Chalamet ( The Tonight Show Starring Jimmy Fallon)

    05:50Timothee Chalamet ( The Tonight Show Starring Jimmy Fallon)
    • It was just -- It was just knockout, buddy.

      It was just -- It was just knockout, buddy.

    • It was just it was just knockout, buddy.

      It was just it was just knockout, buddy.

    A2