knock out

USAGE SUMMARY

The phrase "knock out" is correct and usable in written English.
It can be used in various contexts, such as describing the act of defeating someone in a competition or producing something quickly and efficiently. Example: "The boxer managed to knock out his opponent in the third round of the match."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

22 human-written examples

To knock out those possibilities.

Massachusetts Institute of Technology

"We can knock out this disease".

The New York Times

"I will knock out Dakota Stone.

Independent

He can't knock out guys.

The New York Times - Sports

But we have to knock out ISIS.

The Washington Post

They want to knock out our cities.

The Washington Post

Human-verified similar examples from authoritative sources

Similar Expressions

38 human-written examples

Knock-out games, such as gin rummy.

Encyclopedia Britannica

It's a knock-out – cubed!

The Guardian

Canon has made a knock-out offer.

The New York Times

Osborne has delivered no knock-out blow.

The Guardian - Opinion

Breakfast though is unarguably a knock-out.

The Guardian - Travel

Expert writing Tips

Best practice

In technical contexts, "knock out" can describe the deactivation of a gene or pathway. Ensure clarity to avoid misinterpretation.

Common error

Avoid using "knock out" in formal writing where a more precise term like "eliminate", "disable", or "incapacitate" would improve clarity. For instance, instead of saying "The budget cuts knocked out several projects", consider "The budget cuts eliminated several projects."

Linguistic Context

The phrase "knock out" primarily functions as a phrasal verb. It combines the verb "knock" with the particle "out" to create new meanings, ranging from rendering someone unconscious to eliminating something. As Ludwig AI confirms, it is correct and usable in many contexts.

Expression frequency: Very common

Frequent in

News & Media

43%

Science

35%

Academia

14%

Less common in

Formal & Business

3%

Encyclopedias

2%

Reference

1%

Ludwig's WRAP-UP

The phrasal verb "knock out" is a versatile expression with several meanings, ranging from rendering someone unconscious to eliminating something. Ludwig AI confirms that the phrase is correct and widely used. While generally neutral in register, formal or scientific contexts might benefit from more precise alternatives. Its usage is prevalent in news, science, and academic writing. Key considerations include the potential for causing harm when describing physical incapacitation and ensuring clarity in technical contexts. Remember to tailor your word choice based on the specific context and desired level of formality.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

render unconscious

Focuses specifically on the result of causing someone to lose consciousness, which is one specific meaning of "knock out".

defeat decisively

Emphasizes a clear and undeniable victory, similar to the competitive sense of "knock out".

eliminate completely

Highlights the thorough removal of something, akin to "knock out" in the sense of eradicating a problem.

disable permanently

Implies making something non-functional, mirroring the meaning of "knock out" when referring to equipment or systems.

incapacitate

Indicates a state of being unable to function normally, similar to being "knocked out".

neutralize

Suggests rendering something ineffective, similar to "knock out" in the context of threats or opposition.

eradicate

Highlights the complete removal or destruction of something, comparable to "knock out" in eliminating a problem.

subdue

Implies bringing someone or something under control, often by force, like "knocking out" an opponent.

take out of action

Focuses on removing something from operation or participation, similar to "knock out" in a practical sense.

dispatch swiftly

Highlights quick and efficient handling of a task or opponent, aligning with the expeditious sense of "knock out".

FAQs

How can I use "knock out" in a sentence?

You can use "knock out" to mean render someone unconscious, as in "The boxer managed to "knock out" his opponent". It can also mean to eliminate something, as in "We need to "knock out" the competition".

What are some alternatives to the phrase "knock out"?

Depending on the context, you can use alternatives such as "defeat decisively", "eliminate completely", or "disable permanently".

When is it appropriate to use "knock out" in formal writing?

While "knock out" is acceptable in many contexts, it may be too informal for some formal writing. Consider using more precise terms like "eradicate" or "neutralize" to maintain a professional tone.

What is the difference between "knock out" and "eliminate"?

"Knock out" often implies a sudden or forceful removal or incapacitation. "Eliminate", on the other hand, is more general and suggests a more systematic or thorough removal. For example, "knock out" might be used for a boxer, while eliminate is better for removing errors in code.