principal reason

USAGE SUMMARY

The phrase 'principal reason' is correct and usable in written English.
You could use it to describe the most important justification for something. For example: The principal reason why I chose the job was its excellent benefits package.

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

The principal reason is simple.

The Guardian - Opinion

The principal reason is higher fuel prices.

The New York Times

"The principal reason that hasn't happened is the bands themselves.

The Guardian - Music

"That's the principal reason why corporations love corporate indentured education".

The New York Times

Diabetes is the principal reason adults go blind.

The New York Times

The principal reason for withdrawing is to save money.

The New Yorker

That's the principal reason I carry a jacket.

The New York Times

As it should be, Mr. Mitchell remains the principal reason to revisit "La Mancha".

The New York Times

"Karen's principal reason for being in Afghanistan was to help people by using her medical skills.

The Guardian

The rise in residential rents was the principal reason in this instance.

The New York Times

That, it would seem, is the work's principal reason to be.

The New York Times

Expert writing Tips

Best practice

To enhance clarity, follow "principal reason" with a 'that' clause explaining the specific reason.

Common error

Avoid confusing "principal", meaning main or most important, with "principle", meaning a fundamental truth or proposition. "The principal reason" refers to the primary cause, whereas "a matter of principle" relates to a guiding belief.

Linguistic Context

The phrase "principal reason" functions as a noun phrase that identifies the most important cause, motive, or justification for something. According to Ludwig AI, it is grammatically correct and widely used. Its role is to specify the core explanation behind a particular outcome or decision, as showcased in the examples.

Expression frequency: Very common

Frequent in

News & Media

45%

Science

35%

Formal & Business

10%

Less common in

Academia

5%

Encyclopedias

3%

Wiki

2%

Ludwig's WRAP-UP

In summary, "principal reason" is a grammatically sound and frequently used phrase that effectively identifies the primary cause or justification for an event or decision. According to Ludwig AI, the phrase is appropriate for use. It appears most often in news, scientific, and formal business contexts, lending itself to a neutral or formal tone. When using this phrase, ensure it clearly indicates the most significant factor and avoid confusing "principal" with "principle". Alternatives such as "main cause", "primary motive", and "chief factor" can be used to add variety to your writing. Remember to provide context to avoid ambiguity. Top sources such as The New York Times and The Guardian frequently employ this phrase, demonstrating its widespread acceptance in authoritative contexts.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

main cause

Focuses on the causal aspect, emphasizing the primary factor that leads to a result.

primary motive

Emphasizes the underlying intention or driving force behind an action.

chief factor

Highlights the most important element or consideration.

leading explanation

Focuses on providing the most compelling account or justification.

key determinant

Emphasizes the crucial element that influences or decides an outcome.

central argument

Highlights the core point or rationale in a discussion or debate.

fundamental basis

Focuses on the underlying foundation or rationale.

prime consideration

Emphasizes the most important factor to take into account.

major justification

Highlights the most significant reason used to defend or support something.

primary driver

Focuses on the main force or impetus behind a change or development.

FAQs

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

Use "principal reason" to introduce the primary cause or justification for an event or decision. For instance, "The "principal reason" for the company's success was its innovative product design".

What are some alternatives to "principal reason"?

You can use alternatives such as "main cause", "primary motive", or "chief factor" depending on the specific context and nuance you want to convey.

Is it better to say "principal reason" or "main reason"?

"Principal reason" and "main reason" are often interchangeable, but "principal" can imply a more formal or significant cause. The choice depends on the desired tone and context.

Can "principal reason" be used in formal writing?

Yes, "principal reason" is suitable for formal writing. It is a clear and professional way to indicate the primary cause or justification in academic, business, or official contexts.