knockout

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knock out

1. verb To cause something to fall out of something else by striking or colliding with it, either intentionally or unintentionally. In this usage, a noun or pronoun can be used between "knock" and "out." I tried to knock out the broken piece, but it seems like it's stuck in there. When Dave crashed his bike, he knocked the mail out of the mailbox. It was actually kind of funny.
2. verb To render one unconscious, as from a physical blow or a drug. In this usage, a noun or pronoun can be used between "knock" and "out." You really think you can knock out the champ? We're going to knock you out for this procedure, so you won't feel any pain at all.
3. verb To exhaust one or make one fatigued. In this usage, a noun or pronoun is used between "knock" and "out." It's amazing how standing all day can really knock you out. My medication usually knocks me out, so I better stay home for the day.
4. verb, slang To thoroughly impress, overwhelm, or excite one. In this usage, a noun or pronoun is used between "knock" and "out." The show of support from everyone just knocked me out. That movie really knocked me out—I didn't expect it to be so good!
5. verb, slang To cause to stop operating of functioning. In this usage, a noun or pronoun can be used between "knock" and "out." The storm knocked out power to the whole island. Be careful not to overload the system—you could knock it out with too much traffic.
6. verb, slang To eliminate from contention, as in a sports competition. In this usage, a noun or pronoun can be used between "knock" and "out." Every year, some underdog knocks out a top-seeded team. I'd love to knock the defending champs out of the tourney, but it will take a miracle.
7. verb, slang To produce or complete something, usually with the main motivation of simply getting it done. If we can knock out a few more of these reports before the weekend, we'll be in good shape for next week. I'm just trying to knock out as many pages as possible so I can get up to the page count before the deadline.
8. noun In boxing and similar sports, a blow that renders one unconscious or technically disqualifies one from continuing, or the result of a match in which such a blow has occurred. In this usage, the phrase is usually hyphenated or spelled as one word. That was a vicious knockout by the newcomer. His record is 10-0, with eight knockouts.
9. noun An elimination from contention, as in a sports competition. In this usage, the phrase is usually hyphenated or spelled as one word. I can't believe there were six knockouts in the first round!
10. noun, slang A great success. In this usage, the phrase is usually spelled as one word. I think this release is going to be a real knockout. Great job, everyone!
11. noun, slang A beautiful person, typically a woman. In this usage, the phrase is usually spelled as one word. Remember Paula from high school? Well, she's a knockout know, and she's dating Mike Miller!
See also: knock, out

knock someone out

 
1. Lit. to knock someone unconscious. (Someone includes oneself.) Fred knocked Mike out and left him there in the gutter. Fred knocked out Mike.
2. Fig. to make someone unconsciousness. The drug knocked her out quickly. The powerful medicine knocked out the patient.
3. Fig. to surprise or please someone. I have some news that will really knock you out.
4. Fig. to wear someone out; to exhaust someone. All that exercise really knocked me out. The day's activities knocked the kids out and they went right to bed.
See also: knock, out

knock something out

 
1. to create something hastily. He knocked a few out as samples. He knocked out a few of them quickly, just so we could see what they were going to look like.
2. Fig. to put something out of order; to make something inoperable. The storm knocked the telephone system out. The high winds will probably knock out electrical service all over town.
See also: knock, out

knock out

1. Also, knock out cold. Render unconscious by a blow or some other means. For example, It was just a swinging door, but it knocked her out, or Just one of those sleeping pills can knock you out cold. [Late 1500s]
2. Make tired, exhaust, as in That sightseeing tour knocked me out.
3. Render useless or inoperative, as in The storm knocked out the power.
4. See knock off, def. 2.
See also: knock, out

knock out

v.
1. To hit something abruptly and cause it to move beyond a border: The batter knocked the baseball out of the stadium. I removed the filter and knocked out the dust.
2. To cause someone to be eliminated from some competition: An engine malfunction knocked the car out of the race. We knocked out last year's champions in the quarterfinals.
3. To render someone unconscious: The thief knocked the guards out before they could call for help. Those sleeping pills could knock out a horse! I banged my head on the car door and knocked myself out.
4. To defeat someone in boxing with a punch from which he or she cannot recover: The new champion has knocked out the last three opponents. The boxer knocked the opponent out in the first round.
5. To render something useless, inoperative, or ineffective: The storm knocked the phone lines out across the state. High winds knocked out the power to all the homes in the valley.
6. To exert or exhaust someone thoroughly in order to accomplish something. Used reflexively: She always knocks herself out to be ready on time. Try to clean the house for the party, but don't knock yourself out.
7. To produce something in abundance: The workers knocked out 500 parts in an hour. We used to make the parts by hand, but the machine can knock them out much faster.
8. Slang To impress someone greatly: Your new poems knock me out!
See also: knock, out

knockout

1. n. something that is quite stunning. Your new car is a knockout.
2. n. a good-looking man or woman. Your date is a real knockout.
3. mod. very exciting. It was a real knockout evening.
References in periodicals archive ?
KNOCKOUT king Tommy McCarthy insists he feels no pressure to add to his canvas-thumping record.
CompoZr ZFN technology can affordably knockout any human gene in weeks
Vic Darchinyan (28-0) retained his International Boxing Federation flyweight title with a 12th-round technical knockout of Victor Burgos (39-15-3) on the undercard.
Only 8 of those 38 genes are currently under study in knockout mice.
Switchcraft, which makes electrical parts for its corporate parent, Raytheon, also installed MUD's new quick-disconnect water manifolds and spring-loaded knockout bars.
We thought that maybe the reason we're having this paradoxical effect is that in knockout mice, the [transporter] gene is disabled for the animal's life span, so it's rewiring the brain early in development to make the animals more susceptible to anxiety and depression later in life," he says.
The BRCA1 knockout mice, for example, die at gastrulation, usually a period of tremendous cell proliferation.
As the top contender in men's haircutting, Knockouts is a full-service salon and comprises a specially chosen and expertly trained staff of employees wearing Knockouts Girls(R) boxing uniforms.
Hatton looked little like the terror who took apart Kostya Tszyu in an 11th-round technical knockout in June 2005, however.
Gatti, 28, a two-fisted power puncher with 27 knockouts to his credit, said, "I am very excited to fight Oscar De La Hoya.
IRVING, Texas, April 6 /PRNewswire/ -- Knockouts - Haircuts for Men, the Irving-based heavyweight in men's haircutting, announced today they have entered into a partnership with AXE Hair, a brand of Unilever.
When checked at 6 months, however, the knockouts displayed a difference: Their bones were denser than those of normal mice.
He has registered two first-round knockouts, eight second-round knockouts and seven third-round knockouts.
Argel wanted to own a business that he could build and he found his dream in a franchised business -- Knockouts - Haircuts for Men.