Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

the fundamental reason

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "the fundamental reason" is correct and usable in written English.
It can be used when discussing the primary cause or basis for a particular situation or argument. Example: "The fundamental reason for the project's failure was a lack of adequate funding."

✓ Grammatically correct

News & Media

Science

Academia

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The fundamental reason is obvious.

Tragically, it was the fundamental reason it did not.

News & Media

The Guardian

That was the fundamental reason he became estranged from her.

News & Media

The New York Times

"That is the fundamental reason why we are against it".

News & Media

The New York Times

That's the fundamental reason to have a research program.

That is the fundamental reason for the minus.

What was the fundamental reason for the failure, according to Professor Hoxby and Ms. Kuziemko?

News & Media

The New York Times

"There are many reasons for the accidents, but the fundamental reason is the syndicates".

News & Media

The Guardian

The fundamental reason was that Israel reneged on its side of the deal.

That is the fundamental reason we are doing what we are doing".

News & Media

The New York Times

"The fundamental reason why council properties are so desirable is because you have security.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

When using "the fundamental reason", ensure it genuinely represents the most critical factor, not just a contributing element. Clarity in identifying this reason strengthens your argument.

Common error

Avoid using "the fundamental reason" when multiple factors contribute significantly. Instead, acknowledge contributing factors before highlighting the primary one to maintain accuracy and credibility.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "the fundamental reason" functions as a noun phrase that introduces a crucial explanation or justification. As Ludwig AI indicates, it is used to specify the core cause or underlying basis for a particular situation or event. Examples show its application in diverse contexts.

Expression frequency: Very common

Frequent in

News & Media

40%

Science

25%

Academia

15%

Less common in

Formal & Business

10%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "the fundamental reason" is a grammatically correct and highly versatile phrase used to introduce the most important cause or justification for something. Ludwig AI confirms its correct usage in various contexts. It is frequently found in news, scientific, and academic writing, maintaining a neutral register suitable for formal communication. When using this phrase, ensure it genuinely represents the core element, distinguishing it from merely contributing factors. Alternatives include "the underlying cause", "the primary motive", and "the main justification", offering subtle variations in emphasis.

FAQs

How can I use "the fundamental reason" in a sentence?

Use "the fundamental reason" to introduce the most important cause or basis for something. For instance, "The fundamental reason for the project's success was effective teamwork."

What are some alternatives to "the fundamental reason"?

You can use alternatives like "the underlying cause", "the primary motive", or "the main justification" depending on the context.

Is it better to say "the fundamental reason" or "the main reason"?

"The fundamental reason" emphasizes a deeper, more foundational cause, while "the main reason" simply points to the most significant factor. Choose based on whether you want to highlight a root cause or just the principal reason.

What's the difference between "the fundamental reason" and "the root cause"?

"The root cause" refers to the basic reason that starts a chain of events, often used in problem-solving. "The fundamental reason" is broader and can refer to the underlying basis or justification for any situation, not just problems.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

88%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: