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
CEO of Professional Science Editing for Scientists @ prosciediting.com
root reason
Grammar usage guide and real-world examplesUSAGE SUMMARY
"root reason" is a correct and usable phrase in written English.
It is used to refer to the primary cause of something. For example, "The root reason for the company's decline was its failure to keep up with technological advances."
✓ Grammatically correct
Engineering
Materials Science
Political 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
4 human-written examples
However, the root reason for failure is the inadequate sealing ring structure design.
Science
This further elaborates the root reason why the mechanical properties of blend system increase with the addition of PVA content.
The aim of present investigation is to theoretically identify parameters which are the root reason for differentiation of oxygen reduction reaction (ORR) on two different pathways with formation on oxide electrode materials either ОН− or НО2− ions.
Science
"The fundamental reason for content moderation its root reason for existing goes quite simply to the issue of brand protection and liability mitigation for the platform," Sarah T. Roberts, an assistant professor at UCLA who studies commercial content moderation, told Motherboard.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Following these dramatic events, the time must come for analysis and reflection on the root reasons of the tragedy.
News & Media
Ask for the reason or root cause of why the person felt the way they did.
News & Media
Rather, they are often purveyors of a moral panic presented without root or reason.
News & Media
Two exposés have fallen flat for what are, at root, similar reasons.
News & Media
By Amy Davidson Sorkin November 10, 2015 Two exposés targeting Ben Carson have fallen flat for what are, at root, similar reasons.
News & Media
Its appeal to self-respect in young offenders and its widening system of privileges and responsibilities have their roots in reason as well as in humanity.
News & Media
Sucked into the girl-wants-boy, girl-ought-to-get-boy paradigm, readers find themselves rooting against reason for Bella's heart's desire: a speedy, violent demise, followed by bliss with Edward, 4ever.
News & Media
Expert writing Tips
Best practice
Use "root reason" when you want to emphasize that you are identifying the most fundamental cause of a problem or situation, not just a superficial one.
Common error
Be sure to distinguish between the "root reason" and immediate causes. The "root reason" is the fundamental, underlying factor, while immediate causes are the more apparent, direct triggers of an event.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "root reason" functions as a noun phrase that identifies the primary or fundamental cause or explanation for something. It is often used to delve deeper than superficial explanations, as Ludwig examples suggest, aiming to pinpoint the most basic underlying factor.
Frequent in
News & Media
38%
Science
31%
Formal & Business
31%
Less common in
Wiki
0%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "root reason" is a noun phrase used to signify the most fundamental cause or explanation for something. Although grammatically correct and understandable, its occurrence is relatively rare. The phrase's purpose is to add emphasis by identifying the deepest, most foundational reason behind an event or situation. According to Ludwig, the phrase finds application across diverse fields, including engineering, materials science, and political science, and is found in a range of sources from reputable media outlets to academic publications.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
underlying cause
Focuses on the causal factor that is not immediately obvious.
fundamental basis
Emphasizes the foundational aspect of the reason.
primary driver
Highlights the element that propels or initiates an event.
chief motive
Points to the principal incentive or purpose behind an action.
core explanation
Indicates the central explanatory element.
key determinant
Highlights the factor that decisively influences the outcome.
central premise
Refers to the fundamental assumption on which something is based.
mainspring
Highlights the basic or fundamental cause of action.
real reason
Implies there might be superficial reasons hiding the actual motivation.
true cause
Directly indicates the authentic causal factor.
FAQs
How can I use "root reason" in a sentence?
You can use "root reason" to identify the fundamental cause of a situation. For example, "The root reason for the project's failure was a lack of initial planning."
What's a good alternative to "root reason"?
Alternatives include "underlying cause", "fundamental basis", or "primary driver", depending on the specific context.
Is it redundant to say "root reason" since "reason" often implies a root cause?
While "reason" can imply a cause, using "root reason" emphasizes that you are pinpointing the most fundamental and underlying cause, distinguishing it from more superficial or immediate reasons.
What is the difference between "root reason" and "root cause"?
While very similar, "root cause" is typically used in more technical or problem-solving contexts, whereas "root reason" can be used more broadly to describe the fundamental explanation for any phenomenon.
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.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested