knock outとは 意味・読み方・使い方

動詞

knock out (三人称単数 現在形 knocks out, 現在分詞 knocking out, 過去形および過去分詞形 knocked out)

1. (transitive) To strike or bump (someone または something) out.

   I accidentally knocked out the glass in my picture frame.

2. (transitive, idiomatic) To render unconscious, as by a blow to the head.

   The boxer knocked out his opponent in the third round.

   • 1918, W[illiam] B[abington] Maxwell, chapter XXII, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company, OCLC 4293071:

     In the autumn there was a row at some cement works about the unskilled labour men. A union had just been started for them and all but a few joined. One of these blacklegs was laid for by a picket and knocked out of time.

3. (transitive, idiomatic) To put to sleep.

   The allergy pill knocked him out for a good three hours.

4. (intransitive, idiomatic) To fall asleep, especially suddenly.

   She knocks right out the minute she gets tucked in.

5. (transitive, idiomatic) To exhaust.

   Running errands all day really knocked him out.

6. (transitive, informal) To complete, especially in haste; knock off.

   They knocked out the entire project in one night.

7. (transitive, idiomatic) To cause a mechanism to become non-functional by damaging or destroying it.

   The antitank gun knocked out the enemy tank.

8. (transitive) To eliminate from a contest or similar.
   • 1980, InfoWorld (volume 2, number 20)

     As they were approaching bankruptcy from being knocked out of the calculator market, they began development on the first commercially available microcomputer, the Altair.

   • 2011 December 15, Marc Higginson, “Shamrock Rovers 0-4 Tottenham”, in BBC Sport:

     Tottenham were knocked out of the Europa League, despite a comfortable victory over Shamrock Rovers in Dublin.

9. (transitive) To communicate (a message) by knocking.

   The prisoner knocked out a message on the wall for the prisoner in the adjoining cell.

10. To lose the scent of hounds in fox-hunting.
11. (obsolete, Oxford University slang) To leave college after hours—after half-past ten at night when the doors have been locked.
    • 1861, Hughes, Thomas, Tom Brown at Oxford, London: Macmillan and Co., published 1883, page 503:

      "Hullo!" he said, getting up; "time for me to knock out, or old Copas will be in bed. […] "

派生語

• don't knock yourself out
• knock one out
• knock oneself out

関連する語

• knockout
• (leave after hours): knock in (“enter after hours”)

語源

From knock out.

発音

• (英国発音) IPA^(key): /ˈnɒk.aʊt/
• (General American) IPA^(key): /ˈnɔk.oʊt/

名詞

knockout (複数形 knockouts)

1. The act of making one unconscious, or at least unable to come back on one's feet within a certain period of time; a TKO.

   The boxer scored a knockout on his opponent.

2. The deactivation of anything.
   • 1989, Network World (6 February 1989, page 82)

     Pull the plug on a node to see how the network handles a node knockout.

3. (informal) Something wildly popular, entertaining, or funny.

   If you've ever had a sack race, you know it's a real knockout for kids and adults alike.

4. (informal) A very attractive person, especially a beautiful woman.
   • 1995, Rhonda K. Reinholtz et al., "Sexual Discourse and Sexual Intercourse," in P. J. Kalbfleisch and M. J. Cody, eds., Gender, Power, and Communications in Human Relationships, p. 150,

     Phrases such as "she bowled me over," "she's striking," and "she's a knockout" suggest that the woman affects the man in ways he cannot mediate or control.

5. A partially punched opening meant for optional later removal.

   They left a knockout in the panel for running extra wires someday.

6. (genetics) The deactivation of a particular gene.
7. (genetics) A creature engineered with a particular gene deactivated.
8. (printing) An event where a foreground color causes a background color not to print.
9. (sports) A tournament in which a team or player must beat the opponent in order to progress to the next round.

   the knockout stages of the competition

   • 2011 November 3, Chris Bevan, “Rubin Kazan 1 - 0 Tottenham”, in BBC Sport‎^[1]:

     In truth, Tottenham never really looked like taking all three points and this defeat means they face a battle to reach the knockout stages -with their next home game against PAOK Salonika on 30 November likely to prove decisive.

10. (uncountable) A simple game for two or more players, derived from basketball.
11. Short for knockout auction.

派生語

• knockout auction
• knockout drop
• knockout game
• knockout merchant
• knockout mouse
• knockout rat
• knockout whist

派生した語

• → Portuguese: nocaute, knockout
• → Spanish: nocaut

形容詞

knockout (not comparable)

1. Rendering someone unconscious.

   He delivered a knockout blow.

2. Amazing; gorgeous; beautiful.

   You should have seen her knockout eyes.

   • 2010, Ro Martinez, Modeling at Any Age (page 81)

     If the same model has beautiful hair, white teeth, glowing skin, a fit body, good hands and legs, a great wardrobe, and a knockout comp, her value on the "bookability meter" goes sky high.

3. (genetics) Designating an organism in which a particular gene has been removed or deactivated.
   • 1999, Matt Ridley, Genome, Harper Perennial 2004, p. 255:

     The result is a so-called knockout mouse, reared with a single gene silenced, the better to reveal that gene's true purpose.

4. Causing elimination from a competition.
   • 2012, Ben Smith, Leeds United 2-1 Everton [2]

     Rodolph Austin delivered the knockout blow from close range 20 minutes from time, after Aidan White had given Leeds a dream start after four minutes.

関連する語

• knock one's socks off
• knock out
• technical knockout, TKO