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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 curious
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "how curious" is correct and usable in written English.
It can be used to express surprise or intrigue about something that is unusual or unexpected. Example: "When I found the old photograph in the attic, I thought to myself, how curious it was that I had never seen it before."
✓ Grammatically correct
News & Media
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 curious!
News & Media
How curious of him.
News & Media
How curious are we?
News & Media
Just how curious is the Curiositorium?
News & Media
I also will ask, "How curious are you?" Q.
News & Media
For consider how curious such a result would be.
News & Media
And I think: 'How curious that they both exaggerated three times.
News & Media
How curious that Aswany should name his fictional English monster "Wright".
News & Media
You can never underestimate how curious people are about the C.E.O.
News & Media
How curious, then, that the recent movies based on their lives should be so similar.
News & Media
How curious that Tony Stark, that fearless entrepreneur and risk-taker, should submit to bureaucracy.
News & Media
Expert writing Tips
Best practice
Use "how curious" to express mild surprise or intrigue, particularly when noticing an unexpected coincidence or a deviation from the norm. It adds a touch of thoughtfulness to your observation.
Common error
While "how curious" is versatile, avoid overusing it in highly formal or academic writing. Opt for more precise and analytical language to convey your observations.
Source & Trust
92%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
"How curious" functions as an interjection or introductory phrase expressing surprise, mild disbelief, or interest in an unexpected or noteworthy observation. It sets a tone of thoughtful contemplation, as supported by the examples in Ludwig.
Frequent in
News & Media
98%
Science
1%
Formal & Business
1%
Less common in
Wiki
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "how curious" is a grammatically correct and common expression used to convey surprise, intrigue, or mild disbelief about an observation. Ludwig's analysis indicates it's most frequently found in news and media contexts. Alternatives like "how interesting" or "how strange" can be used depending on the specific nuance you wish to convey. While versatile, avoid overuse in overly formal settings. The Ludwig AI confirms its correctness and wide applicability in written English.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
how interesting
Expresses a similar level of intrigue but is slightly more neutral and less suggestive of surprise.
how strange
Indicates more emphasis on the odd or unusual nature of something, rather than simple curiosity.
how peculiar
Highlights the distinctiveness or abnormality of something, often with a slightly negative connotation.
how odd
A more straightforward expression of something being unusual or unexpected.
how unusual
Directly points out the lack of commonality or regularity of something.
how intriguing
Conveys a strong sense of fascination and interest, implying a desire to know more.
that's curious
A statement of observation about the curious nature of something.
isn't that curious
Transforms the statement into a question, seeking confirmation or agreement on the curious nature of something.
how remarkable
Emphasizes the exceptional or noteworthy aspect of something, focusing on its impressiveness.
how extraordinary
Indicates that something is beyond the ordinary, often inspiring wonder or amazement.
FAQs
How can I use "how curious" in a sentence?
You can use "how curious" to express mild surprise or interest in something unexpected. For example, "How curious that they both arrived at the same time."
What's a more formal alternative to "how curious"?
In more formal contexts, consider using phrases like "how intriguing" or "how remarkable" to maintain a sophisticated tone.
Is it ever inappropriate to use "how curious"?
While generally acceptable, avoid using "how curious" when addressing sensitive topics where your expression of interest might be misinterpreted as insensitive or dismissive. Use more direct and empathetic language instead.
What's the difference between "how curious" and "how strange"?
"How curious" typically expresses mild surprise or intrigue, while "how strange" suggests something is unusual or odd, potentially causing concern or confusion. The latter carries a stronger sense of deviation from the norm.
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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