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 sounds really interesting
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that sounds really interesting" is correct and usable in written English.
You can use it when you want to express interest in something someone has just told you. For example: "I'm planning a trip to India next year." "That sounds really interesting! When are you leaving?".
✓ Grammatically correct
News & Media
Science
Science & Research
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
3 human-written examples
Engaging, entertaining, and ready to talk, he's eager to get to grips with my lengthy list of questions from Observer readers ("yes, yes, that sounds really interesting, let's see what you've got, let's go") and to discuss films, politics and football with equal vigour.
News & Media
So he sort of suggested some sort of back porch attitude with "Almost Saturday Night," and I said, "That sounds really interesting Keith, that sounds fun".
News & Media
"For me, it was more like, there's going to be music and spoken word in an art gallery, that sounds really interesting.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
You can be the studio.' And that sounded really interesting to me".
News & Media
They often shared links to scientific papers with each other, stuff that sounded really interesting and that I wanted to read.
News & Media
They travelled the world recording people to make an album that sounds really very interesting when you read about it in a magazine, but is in fact completely crap.
News & Media
The trial, by contrast, sounds really interesting and even, dare I say it, exciting.
News & Media
Totally not qualified for it, but it sounds really interesting, working with HMPs Wandsworth and Highdown, co-facilitating groupwork and needle exchange.
News & Media
For example, similar effects of the diffusion rate are already known from other models of public goods (some of which are cited), and the colony dimension results (which sounds really interesting at first) is also pretty obvious once it becomes clear what is meant by colony dimension.
Science
The Weird Side of Detective Fiction," exhibition that was there when I was visiting - it sounded really interesting.
News & Media
I thought it sounded really interesting and there was one part that caught my eye: He really wanted to get the science right and welcomed constructive comments from a chemically inclined audience.
Science & Research
Expert writing Tips
Best practice
Use "that sounds really interesting" to genuinely express curiosity and encourage further conversation. It's a good conversation starter.
Common error
Avoid using "that sounds really interesting" as a default response. Vary your expressions of interest to maintain authenticity and engagement.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that sounds really interesting" functions as an interjection of interest or intrigue. It is used to express a positive reaction to something someone has said, prompting further conversation or exploration of the topic. Ludwig AI affirms its correctness and usability.
Frequent in
News & Media
60%
Science
20%
Science & Research
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "that sounds really interesting" is a versatile and grammatically sound phrase used to convey interest and encourage further discussion. Ludwig AI confirms its usability in written English. While predominantly found in news and media sources, its neutral register makes it suitable for various contexts. To avoid overuse, consider alternatives such as "that is fascinating" or "I'm intrigued by that". Remember to use the phrase genuinely to foster meaningful conversations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
i'm intrigued by that
Simplifies the phrase to a direct statement of intrigue, omitting the "sounds" element.
that is genuinely fascinating
Emphasizes the authenticity of the interest using "genuinely fascinating" instead of "really interesting".
that is truly captivating
Replaces "really interesting" with "truly captivating", highlighting the engaging nature of the subject.
that seems quite appealing
Replaces "sounds" with "seems" and "really interesting" with "quite appealing", softening the expression of interest.
that is rather intriguing
Substitutes "really interesting" with "rather intriguing", suggesting a sense of mystery or fascination.
that appears very promising
Substitutes "sounds" with "appears" and "really interesting" with "very promising", focusing on potential.
i find that quite stimulating
Shifts to a first-person perspective and replaces "sounds really interesting" with "find that quite stimulating", focusing on personal intellectual engagement.
that holds considerable appeal
Replaces "sounds" with "holds" and emphasizes the strength of attraction using "considerable appeal".
that piques my curiosity
Uses a more formal tone to indicate that something has aroused one's interest.
that rings a bell
Uses an idiomatic expression to indicate familiarity or recognition, rather than direct interest.
FAQs
How can I use "that sounds really interesting" in a sentence?
Use "that sounds really interesting" as a response when someone shares something new or intriguing. For example, if someone says, "I'm learning to play the ukulele", you could reply, "That sounds really interesting! How long have you been playing?"
What can I say instead of "that sounds really interesting"?
You can use alternatives like "that is fascinating", "I'm intrigued by that", or "that seems promising" depending on the context.
When is it appropriate to use "that sounds really interesting"?
It's appropriate to use "that sounds really interesting" in casual conversations, professional settings, or academic discussions when you want to show genuine interest and encourage the speaker to elaborate.
Is "that sounds really interesting" a formal or informal phrase?
"That sounds really interesting" is generally considered a neutral phrase suitable for both informal and semi-formal contexts. However, for very formal situations, consider using a more sophisticated expression.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested