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
interested in that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"interested in that" is correct and usable in written English.
You can use it when referring to something you are curious about or when expressing desire to know more about something. For example: "We heard you were interested in that new restaurant. Would you like to go check it out this weekend?".
✓ Grammatically correct
News & Media
Science
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
57 human-written examples
He was not interested in that.
News & Media
People are not interested in that.
News & Media
"I was not interested in that.
News & Media
I'm really interested in that.
News & Media
"Let's be interested in that.
News & Media
Jay's not interested in that.
News & Media
She's not interested in that.
News & Media
He wasn't interested in that.
News & Media
Actually, we weren't really interested in that.
News & Media
"Your average reader isn't interested in that.
News & Media
"I just wasn't interested in that.
News & Media
Expert writing Tips
Best practice
Use "interested in that" when you want to express curiosity or a desire to learn more about something specific. It's suitable for both formal and informal contexts.
Common error
Avoid using "interested in that" without clearly specifying what "that" refers to. Always ensure the context is clear to prevent ambiguity.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "interested in that" primarily functions as an adjectival phrase, modifying a subject by indicating their curiosity or desire to learn more about "that". As Ludwig AI confirms, this is a correct and usable expression.
Frequent in
News & Media
50%
Science
25%
Formal & Business
10%
Less common in
Wiki
8%
Encyclopedias
5%
Reference
2%
Ludwig's WRAP-UP
The phrase "interested in that" is a versatile and commonly used expression to convey curiosity or a desire for more information about a specific topic. Ludwig AI confirms its correct usage, and it is appropriate for both formal and informal settings. While alternatives like "fascinated by that" or "intrigued by that" can add nuance, it's crucial to ensure that "that" has a clear and easily identifiable reference to avoid ambiguity. Analysis of Ludwig examples indicates it is most frequently found in news and media, though present across many types of sources.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
fascinated by that
Replaces "interested" with a stronger term indicating deep intrigue.
intrigued by that
Similar to "fascinated", but with a nuance of mystery or curiosity.
curious about that
Directly expresses a desire to know more about something.
keen on that
Indicates enthusiasm or eagerness towards something.
attracted to that
Suggests interest based on appeal or desirability.
drawn to that
Implies a compelling or magnetic interest.
have an interest in that
A more formal way of expressing interest.
find that appealing
Focuses on the attractiveness or desirability of something.
take an interest in that
Suggests a deliberate choice to become interested.
pertain to that
Emphasizes relevance and connection instead of direct interest
FAQs
How can I use "interested in that" in a sentence?
You can use "interested in that" to express curiosity or a desire to know more about something. For example, "I heard about your project and I'm "interested in that".".
What are some alternatives to "interested in that"?
Alternatives include "fascinated by that", "intrigued by that", or "curious about that", depending on the specific nuance you want to convey.
Is it correct to say "interesting in that" instead of "interested in that"?
No, "interesting in that" is grammatically incorrect. The correct phrase is ""interested in that"", using the past participle form of the verb "interest".
What's the difference between "interested in this" and "interested in that"?
"Interested in this" usually refers to something present or nearby, while ""interested in that"" refers to something more distant or previously mentioned. The choice depends on the context and proximity of the subject.
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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested