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
indicate interest
Grammar usage guide and real-world examplesUSAGE SUMMARY
"indicate interest" is correct and usable in written English.
You can use it when you want to express that someone has expressed interest in something. For example, "She indicated interest in his project idea."
✓ Grammatically correct
Academia
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
54 human-written examples
They can indicate interest, and indicate if he's interested as well.
Wiki
A questionnaire was also included containing a helpline number in case difficulties were encountered with completion, and a reply slip and stamped practice addressed envelope to indicate interest in participation (with a request for their telephone number if interested).
https://clinicaltrials.partners.org/study/melatonin and indicate interest as "Melatonin Study".
Academia
The key feature: when two people "swipe right" to indicate interest, the conversation can't start until the woman says something.
News & Media
Though Berger and Clarke continued to indicate interest in this option, the AC-130s were never deployed.
News & Media
Students who hope to receive a lot of classes should indicate interest in a lot of classes!
Human-verified similar examples from authoritative sources
Similar Expressions
6 human-written examples
Think about fostering real mastery in areas where your kids indicate interests (read about the growth mindset, for example).
Mrs. Rell said several insurers had indicated interest in participating.
News & Media
No other Republicans have indicated interest in Bulova's spot.
News & Media
Attorney General Tom Strickland and Representative Mark Udall have indicated interest in running.
News & Media
However, the poll was taken before Mr. Daley indicated interest in running.
News & Media
Expert writing Tips
Best practice
When using "indicate interest", ensure that the context clearly specifies the object or subject of the interest. For example, "indicate interest in participating" is more specific than simply "indicate interest".
Common error
Avoid using "indicate interest" without specifying what the interest pertains to. Ambiguity can confuse the reader and weaken your message. Always provide context.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "indicate interest" functions as a verb phrase where 'indicate' is the verb and 'interest' is the noun acting as the object. It typically describes the action of showing or expressing a desire or willingness towards something. Ludwig confirms its correct and usable status.
Frequent in
Academia
30%
News & Media
40%
Science
20%
Less common in
Wiki
5%
Formal & Business
5%
Ludwig's WRAP-UP
In summary, "indicate interest" is a grammatically correct and frequently used phrase that serves to express a desire or willingness towards something. Ludwig AI confirms its validity and usability in English writing. It appears commonly across academic, news, and scientific contexts, with neutral to professional register. Related phrases include "express interest" and "show interest". To ensure clarity, it's best practice to always specify the object or subject of the interest.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
express interest
Replaces "indicate" with "express", which has a similar meaning of showing or conveying.
show interest
Uses "show" instead of "indicate", implying a more visible or demonstrable expression of interest.
signal interest
Replaces "indicate" with "signal", suggesting a non-verbal or less direct way of showing interest.
denote interest
Uses "denote" for a more formal and explicit way of indicating interest.
register interest
Implies a formal or official way of expressing interest, often through registration or application.
voice interest
Specifically refers to expressing interest verbally.
convey interest
Similar to express, but suggests a more indirect or subtle way of communicating interest.
demonstrate interest
Indicates a clear and unambiguous display of interest.
evince interest
A more formal and less common way of saying "show interest".
profess interest
Suggests a public or declared expression of interest.
FAQs
How can I use "indicate interest" in a sentence?
You can use "indicate interest" to show someone has expressed a desire or willingness for something, as in, "Applicants must "register interest" before the deadline."
What is a good alternative to "indicate interest"?
Alternatives include "express interest", "show interest", or "signal interest", depending on the context.
Is it better to say "indicate interest" or "show interest"?
Both "indicate interest" and "show interest" are correct, but "show interest" is generally more direct and less formal. "Indicate interest" might be preferred in more formal or official contexts.
What does it mean to "indicate interest" in a study?
To "indicate interest" in a study means to express a willingness or desire to participate, often through a formal application or preliminary sign-up.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested