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
so interesting that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"so interesting that" is a perfectly correct and usable phrase in written English.
You can use it when you want to emphasize that something is particularly interesting or exciting, such as in the sentence: "His stories were so interesting that everyone wanted to hear more."
✓ Grammatically correct
News & Media
Academia
Formal & Business
Alternative expressions(3)
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
58 human-written examples
It all sounded so interesting that I could not bear not to volunteer.
News & Media
He thought Gove was so interesting that he would have to be sacked.
News & Media
"Wow, it's so interesting that you say that," Dr. Niedenthal said diplomatically.
News & Media
I found the results so interesting that I wanted to share them.
News & Media
The place looks so interesting that they've banned photography, which is a shame.
News & Media
(The comic book sounded so interesting that I searched for it on Amazon — unfortunately, it's fictional).
News & Media
Diane kept saying, "Oh, great, that is so interesting that you're governor of Iraq".
News & Media
I think it was because they looked so interesting that I didn't want to read them.
News & Media
Occasionally, an opinion will be so interesting that we'll run it without a specific news peg.
News & Media
But she heard Hu lecture on the subject and found it so interesting that she enrolled in the program.
Academia
"I found so much stuff that was so interesting that I couldn't imagine living without it, or the audience either".
News & Media
Expert writing Tips
Best practice
Use "so interesting that" to clearly connect a subject's intriguing nature with a resulting consequence or action. For example, "The plot was so interesting that I couldn't put the book down."
Common error
Avoid using "so interesting that" excessively in formal reports or academic papers. Opt for more precise language to convey the degree of interest and its implications.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "so interesting that" functions as an intensifier followed by a conjunction. It connects an adjective (interesting, intensified by 'so') to a clause that expresses a result or consequence. According to Ludwig, the construction is grammatically sound.
Frequent in
News & Media
61%
Academia
20%
Formal & Business
6%
Less common in
Science
6%
Wiki
1%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "so interesting that" is a versatile phrase used to highlight both the captivating nature of something and its resulting impact. Ludwig confirms that this phrase is grammatically correct and is observed across diverse sources. Predominantly found in "News & Media", it also features noticeably in "Academia" and "Formal & Business" contexts. When employing this phrase, ensure it appropriately links the subject's intrigue to a clear consequence. While useful, exercise moderation in highly formal writing to avoid potential tone mismatch. Consider alternatives like "remarkably interesting that" or "exceptionally interesting that" for enhanced precision. The phrase's frequency and widespread use indicate its solid integration into contemporary English.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
so captivating that
Synonymous replacement, highlighting the charm and attraction.
exceptionally interesting that
Stresses the high degree of interest.
remarkably interesting that
Highlights the unusual or exceptional nature of the interest.
sufficiently interesting that
Emphasizes adequacy or sufficiency of the interest level.
fascinating enough that
Uses a different adjective with a similar meaning, focusing on captivating quality.
genuinely interesting to the point that
Highlights the authenticity of the interest as well as the ensuing impact.
sufficiently intriguing that
Replaces "interesting" with a synonym emphasizing mystery or fascination.
compelling enough that
Indicates the interest is strong enough to provoke action or belief.
of such great interest that
Formal phrasing, emphasizing the significance of the interest.
to such an extent that it's interesting
Restructures the phrase to emphasize the degree of interest.
FAQs
How can I use "so interesting that" in a sentence?
Use "so interesting that" to connect an intriguing subject with its effect or consequence. For example, "The lecture was "so interesting that" I took detailed notes".
What are some alternatives to "so interesting that"?
You can use phrases like "sufficiently intriguing that", "remarkably interesting that", or "exceptionally interesting that" depending on the nuance you want to convey.
Is it appropriate to use "so interesting that" in academic writing?
While grammatically correct, "so interesting that" might be too informal for some academic contexts. Consider using more precise and formal alternatives to maintain a professional tone.
What's the difference between "so interesting that" and "very interesting that"?
"So interesting that" implies a stronger connection to a consequence, whereas "very interesting that" simply expresses a high degree of interest without necessarily implying a result. "The discovery was "so interesting that" it changed our understanding of the universe" suggests a significant impact, unlike "very interesting that".
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
4.5/5
Expert rating
Real-world application tested