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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
CEO of Professional Science Editing for Scientists @ prosciediting.com
deepest reason why
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "deepest reason why" is correct and usable in written English.
It can be used when discussing the fundamental or most profound explanation for a particular situation or behavior. Example: "After much reflection, I realized that the deepest reason why I chose this career path was my desire to help others."
✓ Grammatically correct
News & Media
Science
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
3 human-written examples
And perhaps it's not a bad analogy to explain the deepest reason why this zoologist is, like Cronkite the newsman in America a generation ago, his country's single most trusted individual.
News & Media
Strauss concludes his study of Halevi by suggesting that "by going so far with the philosophers…he [Halevi] discover[s] the fundamental weakness of the philosophic position and the deepest reason why philosophy is enormously dangerous" (PAW, p. 140).
Science
This, I think, is the deepest reason why public reaction to the crash of 2008 and the election of Barack Obama took a populist turn and the Tea Party movement caught on.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
But there is an even deeper reason why English votes for English laws is misguided.
News & Media
No 10 is nervous about voicing, even in private, the deeper reason why Mitchell is surviving.
News & Media
There is one simple – and one deeper – reason why Mitchell has survived.
News & Media
And there is a deep reason why we respond to such objects and images as we do.
News & Media
When a reiki healer suggests there may be a "deep reason" why she hasn't recovered, Lyndsey wants to "smash the woman in the face".
News & Media
"The even deeper reason why regulatory policies have been so disparate and lacked unity is that reform of our country's current financial legal system lags so badly behind," it added.
News & Media
But there's a deeper reason why this is a positive development: it's one of the first signs of the public sector getting tougher with the businesses that win its contracts.
News & Media
Yet, asks Saeb Erekat, a senior negotiator, what will it tell us "if Mr Barak is unable to implement an agreement that Likud signed?"Perhaps a deeper reason why Mr Arafat wants Wye's implementation so urgently is the domestic impact it would have on the Palestinians who have long since lost faith in the Oslo process and the leaders who promote it.
News & Media
Expert writing Tips
Best practice
When using "deepest reason why", ensure that the context clearly indicates you are referring to the most fundamental or underlying cause, not just a superficial explanation.
Common error
Avoid using "deepest reason why" when a simpler explanation suffices. Overusing the phrase can make your writing sound unnecessarily complex or pretentious. Sometimes, the most straightforward reason is the correct one.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "deepest reason why" functions as a noun phrase introducing the most fundamental cause or explanation for a particular event or phenomenon. As Ludwig AI states, the phrase is correct and usable in written English.
Frequent in
News & Media
67%
Science
33%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "deepest reason why" is a grammatically correct and usable phrase that serves to introduce the most fundamental or underlying cause of something. While Ludwig AI confirms its validity, its frequency is relatively rare, appearing most often in news and media contexts. When using this phrase, it's essential to ensure the context warrants the emphasis on profoundness and to avoid overuse, which can make your writing sound overly complex. Alternatives such as "fundamental reason for" or "root cause of" can provide similar meanings with slightly different nuances. By understanding its nuances and usage patterns, you can effectively incorporate "deepest reason why" into your writing to convey a deeper level of understanding.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
fundamental reason for
Replaces "deepest" with "fundamental", emphasizing the foundational nature of the reason.
core reason behind
Uses "core" and "behind" to highlight the central and underlying nature of the reason.
primary cause of
Focuses on the causative aspect, using "primary" to indicate the main cause.
root cause of
Emphasizes the origin or source of the reason, using "root".
underlying motive for
Highlights the hidden or less obvious motivation behind something.
real explanation for
Focuses on the authenticity of the explanation, using "real".
true justification for
Emphasizes the validity and truthfulness of the justification.
ultimate basis for
Stresses the final and fundamental grounding for something.
chief determinant of
Highlights the most important factor influencing or determining something.
principal driver of
Focuses on the main force or impetus behind an action or event.
FAQs
How can I use "deepest reason why" in a sentence?
Use "deepest reason why" to introduce the most fundamental or underlying cause of something. For example: "The "fundamental reason why" I chose this career was my desire to help others."
What are some alternatives to "deepest reason why"?
You can use alternatives like "primary cause of", "root cause of", or "underlying motive for" depending on the context.
Is it redundant to say "deepest reason why"?
While "reason why" can sometimes be simplified to just "reason", using "deepest reason why" is not necessarily redundant if you want to emphasize the profound or fundamental nature of the reason. However, ensure the context warrants the emphasis.
What's the difference between "deepest reason why" and "main reason why"?
"Deepest reason why" implies a more profound or underlying cause, whereas "main reason why" simply indicates the most important or significant reason. The former suggests a deeper level of analysis or understanding.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested