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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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What is the reason

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "What is the reason" is correct and usable in written English.
You can use it when asking for an explanation or justification for something. Example: "What is the reason for the delay in the project timeline?"

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

What is the reason for that?

News & Media

The New York Times

What is the reason for this development?

What is the reason for the disparity?

News & Media

The New York Times

What is the reason behind this or that death?

News & Media

Independent

What is the reason for Woman B's punishment?

News & Media

The New Yorker

What is the reason for this glut of exits?

News & Media

The Guardian

What is the reason for the psychedelic movement in Wales?

News & Media

The Guardian

What is the reason you stopped McLovin' it?

What is the reason for such apparent national narcissism?

"What is the reason you chose our building?" the guard said.

News & Media

The New Yorker

What is the reason for this continuing rivalry?

News & Media

Forbes
Show more...

Expert writing Tips

Best practice

Use "What is the reason" to directly and clearly inquire about the cause or justification for a specific event, action, or decision. This phrase is suitable for both formal and informal contexts.

Common error

Avoid using "What is the reason" repeatedly in the same paragraph or conversation. Vary your phrasing by using alternatives like "Why is that?", "What's the explanation?", or "What prompted this?" to maintain reader engagement and avoid sounding repetitive.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "What is the reason" functions as an interrogative expression, specifically used to elicit an explanation or cause for a particular event, situation, or decision. As Ludwig AI explains, this phrase is grammatically correct and widely applicable.

Expression frequency: Very common

Frequent in

News & Media

37%

Science

36%

Formal & Business

10%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "What is the reason" is a grammatically sound and frequently used interrogative expression aimed at eliciting explanations or causes. As confirmed by Ludwig AI, it is widely employed across diverse contexts, particularly in news and scientific domains. While suitable for both formal and informal communication, varying the phrasing with alternatives like "Why is that?" or "What's the explanation?" can enhance writing. Its neutral register and consistent function make it a reliable choice for clear and effective inquiries.

FAQs

How can I rephrase "What is the reason" for variety?

Alternatives include "what is the cause", "what is the explanation", or simply "why is that", depending on the level of formality and context.

Is "What is the reason" appropriate for formal writing?

Yes, "What is the reason" is suitable for formal writing. However, for a more sophisticated tone, consider using alternatives such as "what is the rationale" or "on what grounds".

When is it better to use "Why" instead of "What is the reason"?

Using "Why" is often more direct and concise, suitable for informal situations. "What is the reason" is generally used when seeking a more detailed or formal explanation.

What's the difference between "What is the reason" and "What's the purpose"?

"What is the reason" seeks the cause or explanation for something that has already occurred or is the case. "What's the purpose" /s/what's+the+purpose, on the other hand, inquires about the intended goal or aim of something.

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Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: