knock-out

A boxer delivers a knock-out punch in the final round.

Definition

1. Noun:

   • A blow that renders unconscious: In boxing, a "knock-out" is a punch that causes an opponent to be unable to get up within a specified time, thus ending the match.
   • An overwhelmingly impressive person or thing: Informally, "knock-out" refers to someone or something that is exceptionally attractive, striking, or successful.
   • A collusive arrangement at an auction: A secret agreement among bidders to keep prices low, with the intent to later resell the item among themselves.

2. Adjective:

   • Relating to a decisive blow: Used to describe a punch or action that results in a knockout, especially in sports.
   • Stunning or outstanding: Describing something that is extremely impressive or attractive.

Usage Examples

• Noun:

  • The boxer won the fight with a powerful knock-out in the third round. (A punch that ended the match.)
  • She is a real knock-out in that dress. (An extremely attractive person.)
  • The auction was marred by a knock-out among the dealers. (A secret price-fixing arrangement.)

• Adjective:

  • He delivered a knock-out blow to his opponent. (A decisive, stunning punch.)
  • The fireworks display was a knock-out performance. (An outstanding, impressive show.)

Advanced Usage

• "knock-out punch": A decisive or final action that ends a contest or argument.

  • The new evidence was the knock-out punch in the trial. (The evidence conclusively ended the case.)

• "knock-out factor": An element that makes something exceptionally effective or successful.

  • The movie's special effects were the knock-out factor that drew audiences. (The effects were the most impressive feature.)

Variants and Related Words

• Knockout (n, adj): Alternative spelling with the same meanings.

  • The knockout in the final round was spectacular. (The decisive blow.)

• Knock out (phrasal verb): To cause someone to become unconscious or to eliminate someone from a competition.

  • The blow knocked him out cold. (It made him unconscious.)

Synonyms

• Stunner (n): A person or thing that is extremely attractive or impressive.
• Decisive blow (n): A final, winning action in a conflict or competition.
• Eliminator (n): Something that removes or defeats an opponent.

Phrasal Verbs

• Knock out: To render unconscious or to defeat decisively.

  • The virus knocked out the entire computer system. (It disabled the system completely.)

• Knock out of: To remove someone from a competition or activity.

  • The team was knocked out of the tournament in the first round. (They were eliminated.)

Related Idioms

• Knock someone out of the park: To surpass expectations or perform exceptionally well.

  • Her speech knocked everyone out of the park. (It was incredibly impressive.)

• Knock it out of the park: To achieve great success.

  • The new product knocked it out of the park in sales. (It was extremely successful.)