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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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known reason

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "known reason" is correct and usable in written English.
It can be used when referring to a reason that is already recognized or acknowledged by others. Example: "The project was delayed due to a known reason that was communicated to all stakeholders."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Wiki

Academia

Human-verified examples from authoritative sources

Exact Expressions

27 human-written examples

More often it occurs for no known reason.

When children walk on their toes for no known reason, the condition is called Idiopathic Toe Walking (ITW).

But in about half of all cases, the premature labor occurs spontaneously and for no known reason.

News & Media

The New York Times

No one can remember two suicides in such proximity on the Tappan Zee, and the police believe they were unrelated — two discordant planets aligned for no known reason.

News & Media

The New York Times

In the summer, in the harvest, there is a rapid death - a wandering tramp suddenly and for no known reason jumps into the threshing machine and is dismembered.

The majority of cases of Parkinson's disease appear for no known reason, though some patients during the first world war were thought to have had viral infections.

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Human-verified similar examples from authoritative sources

Similar Expressions

33 human-written examples

Analysis: for commonly known reasons, a large number of foreign URLs are blocked.

News & Media

The Guardian

"[Godane] takes decisions in a secret fashion without legitimate known reasons," they wrote.

News & Media

BBC

Identification of overactive bladder without excluding known reasons causing urgency can result in overestimate of prevalence.

Science

Plosone

In many cases observed cancer patterns may reflect commonly known reasons for regional variation in cancer.

So, that binary between you know, reason and imagination.

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Expert writing Tips

Best practice

When using "known reason", ensure that the reason is genuinely recognized and understood by the intended audience to avoid confusion or ambiguity.

Common error

Avoid using "known reason" when the reason is only known to a select few or requires specialized knowledge. In such cases, provide context or explain the reason explicitly.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "known reason" functions as a noun phrase, often used adjectivally to modify another noun. It indicates that a cause or explanation is not new or mysterious, but rather something already understood or recognized. Ludwig AI confirms this, showcasing examples where it clarifies circumstances.

Expression frequency: Common

Frequent in

News & Media

32%

Science

28%

Wiki

14%

Less common in

Academia

9%

Encyclopedias

9%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, "known reason" is a commonly used phrase that indicates a recognized or understood cause, serving to provide context and avoid unnecessary explanation. Ludwig AI confirms that the phrase is correct and usable in written English. Its register is generally neutral, appearing frequently in news, scientific, and general media. While it's important to ensure the reason is genuinely understood by the audience, the phrase offers a concise way to reference established explanations.

FAQs

How can I use "known reason" in a sentence?

You can use "known reason" to indicate that something is happening because of a reason that is already established or understood. For instance, "The project was delayed due to a "known reason": budget cuts".

What are some alternatives to "known reason"?

Alternatives include "established cause", "recognized explanation", or "accepted rationale", depending on the specific context.

Is it redundant to say "for a known reason"?

While not strictly redundant, "for a "known reason"" can sometimes be implied. Consider whether the "known" aspect needs explicit emphasis or if it's clear from the context.

What's the difference between "known reason" and "obvious reason"?

"Known reason" implies the reason is recognized by a group or in a field. "Obvious reason" suggests the reason is apparent to anyone, without prior knowledge. The difference lies in the scope of recognition.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: