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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
how interesting
Grammar usage guide and real-world examplesUSAGE SUMMARY
"how interesting" is correct and usable in written English.
You can use it when you want to express that you find something interesting or surprising. For example, "I just read that the singer won four Grammy awards - how interesting!".
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
that's fascinating
i find that interesting
that piques my interest
that's remarkable
what a surprise
that's impressive
what a great
what a brilliant
that's so cool
what a fantastic
how cool is that
what a wonderful
what a comfortable
what a breeze
what a sweet
what a terrific
what a beautiful
what a lovely
what a patience
what a neat
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
How interesting".
News & Media
Woman: How interesting!
News & Media
How interesting!" she exclaims.
News & Media
How interesting, I thought then.
News & Media
How interesting are the feet;.
News & Media
"How interesting," I said coldly.
News & Media
"How interesting," the woman said.
News & Media
How interesting would that be?
News & Media
"How interesting," said the Red Cap.
News & Media
So that goes to show you how interesting this is".
News & Media
How interesting, and how perceptive that answer was.
News & Media
Expert writing Tips
Best practice
Use "how interesting" to express genuine curiosity or polite interest in a conversation. It's versatile and fits both formal and informal settings.
Common error
Avoid using "how interesting" excessively, as it can sound insincere or monotonous. Vary your responses with other expressions of interest or surprise.
Source & Trust
92%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "how interesting" primarily functions as an exclamatory interjection. It expresses a reaction to information, events, or ideas that the speaker finds intriguing or noteworthy. It often serves as a polite conversational filler, as seen in Ludwig's examples.
Frequent in
News & Media
60%
Academia
20%
Formal & Business
10%
Less common in
Science
5%
Encyclopedias
3%
Wiki
2%
Ludwig's WRAP-UP
In summary, "how interesting" is a versatile phrase used to express mild interest, surprise, or intrigue. It's grammatically correct and common in both spoken and written English, especially in news and media contexts. While generally neutral in register, its tone and context are important, as it can also convey sarcasm. As Ludwig AI highlights, the phrase is widely used and understood, making it a valuable addition to your communication toolkit. However, overuse should be avoided to maintain sincerity and engagement. Consider alternatives such as "that's fascinating" or "that's intriguing" for variety.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
i find that interesting
Directly expresses personal interest.
that's fascinating
Emphasizes the captivating nature of the subject.
that's intriguing
Highlights the mysterious or puzzling quality of the subject.
that piques my interest
Suggests a sudden and sharp stimulation of curiosity.
that's remarkable
Stresses the exceptional or noteworthy aspect.
that's quite curious
Highlights the odd or peculiar nature of the subject.
that's noteworthy
Focuses on the importance or significance of the subject.
what a surprise
Emphasizes the element of unexpectedness.
that's something to consider
Indicates the subject warrants thoughtful reflection.
i never knew that
Expresses surprise and newfound knowledge.
FAQs
How can I use "how interesting" in a sentence?
"How interesting" can be used as a standalone response to something you find intriguing, or as part of a larger sentence. For example, "She mentioned she's learning to fly – "how interesting"!"
What are some alternatives to saying "how interesting"?
Depending on the context, you could use phrases like "that's fascinating", "that's intriguing", or "I find that interesting".
Is it appropriate to use "how interesting" in formal writing?
While "how interesting" is generally more suited for spoken conversation, it can be used sparingly in formal writing to convey a sense of surprise or intrigue, provided the tone remains appropriate. For example, while this approach is more common in "narrative writing", it might be less appropriate for an essay.
Can "how interesting" be perceived as sarcastic?
Yes, the phrase can be used sarcastically to express disbelief or disinterest. The tone of voice and context are crucial in determining the intended meaning.
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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
92%
Authority and reliability
4.5/5
Expert rating
Real-world application tested