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
that is precisely why
Grammar usage guide and real-world examplesUSAGE SUMMARY
"that is precisely why" is a correct and commonly used phrase in written English.
You can use it to emphasize the reason or explanation for something. It is often used to add emphasis or clarification to a statement or argument. For example: - "I couldn't attend the meeting because I had a doctor's appointment. That is precisely why I couldn't notify you beforehand." - "I refuse to accept this proposal, and that is precisely why I am resigning from this position." - "I always make sure to arrive early for appointments. That is precisely why I hate it when people are late."
✓ Grammatically correct
News & Media
Formal & Business
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
60 human-written examples
In the end, that is precisely why I decided to write it.
News & Media
In Pagel's view, that is precisely why such regimes cannot sustain themselves indefinitely.
News & Media
In a nutshell, that is precisely why this market will continue to run higher and higher.
News & Media
That is precisely why this place exists.
News & Media
That is precisely why I do".
News & Media
But that is precisely why the world needs healthy capitalism.
News & Media
Yet that is precisely why the bank is so hesitant.
News & Media
But that is precisely why lower taxes are needed.
News & Media
That is precisely why President Obama is interested in her.
News & Media
Yet that is precisely why banks are hesitant.
News & Media
And that is precisely why Deegan is on the warpath.
News & Media
Expert writing Tips
Best practice
Use "that is precisely why" to clearly and emphatically state the reason behind a decision, action, or situation. This phrase adds weight and clarity to your explanation.
Common error
While "that is precisely why" is grammatically correct, avoid overusing it in casual conversations or informal writing. Opt for simpler alternatives like "that's why" or "that explains it" to maintain a natural tone.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that is precisely why" serves as a causal connector, explicitly indicating the reason or explanation for a preceding statement. It emphasizes the direct link between cause and effect. Ludwig AI confirms its proper usage as a means to emphasize a reason.
Frequent in
News & Media
65%
Formal & Business
20%
Science
15%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "that is precisely why" is a commonly used phrase to strongly emphasize the reason behind a statement. As Ludwig AI confirms, it's grammatically correct and serves as a causal connector, mostly employed in news, business, and scientific contexts. While it provides clarity and emphasis, overuse in informal settings should be avoided. Consider similar phrases like "that's exactly why" or "for this very reason" for variety. Remember to use it when you want to make a point exceptionally clear and leave no room for doubt about the underlying reason.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that's exactly why
Emphasizes the exactness of the reason, similar to the original phrase but with a contraction.
that is the precise reason
Replaces 'precisely why' with 'the precise reason' maintaining a formal tone.
for this very reason
Highlights the specific reason being given, adding emphasis.
hence the reason
Uses 'hence' to indicate a logical consequence, making it slightly more formal.
that explains why
Offers a direct explanation, less emphatic than the original.
that's the reason why
A more common, slightly less formal way of expressing the reason.
this accounts for
Provides an explanation or justification for something, often used in formal writing.
this is why
Simplifies the phrase, suitable for less formal contexts.
it follows that
Indicates a logical conclusion or consequence, more formal and structured.
that is the reason
A direct and simple way to state the reason, lacking the added emphasis of 'precisely'.
FAQs
How can I use "that is precisely why" in a sentence?
Use "that is precisely why" to introduce the specific reason for something. For example, "The project was delayed due to unforeseen circumstances. That is precisely why we need to re-evaluate our timeline."
What phrases are similar to "that is precisely why"?
Alternatives include "that's exactly why", "for this very reason", or "that explains why". The choice depends on the level of formality and emphasis you want to convey.
Is "that is precisely why" formal or informal?
"That is precisely why" leans towards formal usage due to its emphatic and somewhat elaborate structure. In informal contexts, simpler alternatives like "that's why" might be more appropriate.
What's the difference between "that is precisely why" and "that is why"?
The addition of "precisely" in "that is precisely why" adds extra emphasis and clarity, highlighting the exactness of the reason. "That is why" is a more general and less emphatic way to state a reason.
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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
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested