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
are of interesting
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are of interesting" is not correct in written English.
It seems to be a misconstruction and does not convey a clear meaning. Example: "The topics we discussed are of interesting nature." (Note: This should be corrected to "are interesting" or "are of interest.")
⚠ May contain grammatical issues
Science
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
2 human-written examples
Some critical issues such as wettability, bonding efficiency and biodegradability at the fibre/matrix interface are of interesting topics in the study of the degumming process.
Nowadays, bioinformatic tools are of interesting advantages for biologists [ 14, 15].
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
It is of interesting notice that this biological process is highly conserved from yeast to mammals.
It's going to be kind of interesting.
News & Media
Austin is proving to be full of interesting contradictions.
News & Media
There are plenty of interesting possibilities.
News & Media
And there are plenty of interesting details.
News & Media
There are lots of interesting new capabilities.
News & Media
These old Tings are capable of interesting new things.
News & Media
There are lots of interesting traditions surrounding hats.
News & Media
But there sure are lots of interesting young people around.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "are of interesting" in formal writing. Opt for simpler and grammatically correct alternatives such as "are interesting" or "are of interest".
Common error
A common mistake is adding 'of' before adjectives unnecessarily. Instead of saying something is "of interesting nature", say it "is interesting" or "is of interest". This improves clarity and grammatical correctness.
Source & Trust
88%
Authority and reliability
2.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are of interesting" functions as a descriptive element, attempting to characterize something as engaging or worthy of attention. However, it is grammatically incorrect. Ludwig AI indicates the correct form is "are interesting" or "are of interest".
Frequent in
Science
33%
News & Media
33%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "are of interesting" is generally considered grammatically incorrect in contemporary English. Ludwig AI suggests more appropriate alternatives include "are interesting" or "are of interest". While some instances appear in science and news media, the construction is infrequent and should be avoided in formal writing. Using clearer, more direct phrasing enhances both grammatical accuracy and overall readability.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are interesting
Directly replaces the original phrase by removing the unnecessary preposition, resulting in correct grammar.
are of interest
Uses a noun form to express the same concept with correct grammar.
are intriguing
Substitutes with a more sophisticated adjective conveying a similar meaning.
are fascinating
Replaces with another adjective emphasizing the captivating nature of the subject.
are captivating
Uses a strong adjective to highlight the enthralling quality of the subject.
are noteworthy
Emphasizes the deserving attention of the things that are interesting.
are remarkable
Highlights the exceptional character of the things that are interesting.
merit attention
Shifts the focus to the act of paying attention because something is interesting.
are worthy of consideration
Suggests that the things are important and relevant.
spark interest
Focuses on the action of creating interest in other people.
FAQs
What's a grammatically correct way to say the same thing as "are of interesting"?
Use the simpler and more direct phrase "are interesting". It conveys the same meaning without grammatical awkwardness.
Is "are of interesting" ever considered correct in English?
Generally, no. It's better to use "are interesting" or "are of interest" for correct grammar.
What are some alternatives to "are of interesting" that sound more sophisticated?
Consider using phrases like "are intriguing", "are fascinating", or "are captivating" to add nuance and sophistication to your writing.
How can I avoid making mistakes with similar phrases like "are of interesting"?
Double-check for unnecessary prepositions like 'of' before adjectives. If you're describing something's quality, the simple adjective form (e.g., "interesting") is often the most effective and grammatically sound choice.
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
2.5/5
Expert rating
Real-world application tested