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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
interest
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word "interest" is correct and usable in written English.
It can be used as a noun and verb. Example (as a verb): I am interested in learning more about French culture. Example (as a noun): Her interest in French culture led her to study abroad.
✓ Grammatically correct
News & Media
Formal & Business
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
60 human-written examples
I don't have any monetary interest in this".
News & Media
We have determined that there is sufficient evidence for a realistic prospect of conviction and that a prosecution is in the public interest".
News & Media
Britain's national interest demands that we maximise our influence and use that influence to boost growth, trade and jobs.
News & Media
A Labour source said that, given teenagers have a "tremendous vested interest in whether or not we stay in the EU or leave", there could be a strong appetite for amending the EU referendum bill in the Lords, even if Labour and the SNP fail to recruit the relatively small number of Tory rebels they would need to defeat the government in the Commons.
News & Media
Turkmenistan has expressed interest in exporting to the EU via a trans-Caspian pipeline and to India and Pakistan across Afghanistan, but the plans are yet to get off the drawing board.
News & Media
The national interest should never be subject to the chequebooks of anybody".
News & Media
Nobody has a bigger interest in getting them released than I do," Clinton told reporters during a campaign stop in Iowa.
News & Media
"It is in our vital national interest that we avoid the fatal mistake that would be a no vote if a referendum is held in the next few years".
News & Media
Alexander made clear the Liberal Democrats' deep unease at the prime minister's plan when he warned of the dangers posed by those who "put anti-European ideology ahead of our national interest".
News & Media
But what it was actually doing was putting the dealers' interest in no oversight ahead of the public's interest in a fair marketplace.
News & Media
On the contrary, in the credit-card market they've slashed credit lines and jacked up interest rates.
News & Media
Expert writing Tips
Best practice
When using "interest" in financial contexts, be specific about the type (e.g., simple interest, compound interest) for clarity.
Common error
Avoid using "interest" when you mean "interested". "Interest" is a noun (e.g., "He has an interest in art"), while "interested" is an adjective (e.g., "He is interested in art").
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The word "interest" primarily functions as a noun, denoting a feeling of wanting to know or learn about something or a financial charge. It can also function as a verb, meaning to excite the curiosity or attention of someone. Ludwig AI confirms this duality.
Frequent in
News & Media
35%
Formal & Business
30%
Science
15%
Less common in
Academia
10%
Reference
5%
Wiki
5%
Ludwig's WRAP-UP
The word "interest" is a versatile term, commonly used as both a noun and a verb, as Ludwig AI confirms. It encompasses meanings from curiosity and attention to financial implications. Its neutral register and widespread use across news, business, and general contexts make it an essential component of the English language. Understanding its various nuances, from distinguishing it from "interested" to specifying the type of financial interest, ensures clear and effective communication. Exploring related terms such as "concern", "attention", and "curiosity" provides alternative ways to express similar concepts with subtle differences.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
concern
This term focuses more on worry or anxiety related to something.
attention
This emphasizes the act of noticing or focusing on something.
curiosity
Highlights the desire to know or learn about something.
stake
Refers to having something to gain or lose in a situation.
involvement
Suggests being actively engaged or participating in something.
pursuit
Implies actively following or seeking something.
pastime
Indicates a recreational activity done for enjoyment.
sake
Emphasizes the benefit or advantage of someone or something.
advantage
Focuses on a beneficial aspect or gain.
relevance
Highlights the importance or pertinence of something to a particular matter.
FAQs
How to use "interest" in a sentence?
You can use "interest" as a noun to describe a feeling of wanting to know or learn about something (e.g., "She showed great interest in the project"), or as a term related to finance (e.g., "The interest rate on the loan is 5%").
What can I say instead of "interest"?
Which is correct, "interest" or "interests"?
"Interest" (singular) refers to a general feeling or a financial charge. "Interests" (plural) typically refers to multiple areas of personal passion or concern (e.g., "Her interests include reading and hiking").
What's the difference between "interest" and "principal" in finance?
"Principal" refers to the original sum of money borrowed or invested. "Interest" is the additional cost of borrowing or the return on investment, calculated as a percentage of the "principal".
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested