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
deepen their interest
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'deepen their interest' is correct and usable in written English.
You can use it when you want to talk about strengthening someone's interest in a topic or activity. For example, you could say: The teacher implemented a variety of activities to deepen their interest in the subject.
✓ Grammatically correct
News & Media
Science
Formal & Business
Wiki
Alternative expressions(19)
cultivate their interest
foster their interest
heighten their interest
stimulate their interest
expand their interest
intensify their interest
improve their interest
reinforce their interest
explore their interest
develop their interest
enhance their interest
extend their interest
increase their interest
enhancing their interest
further their interest
promote their interest
enhanced their interest
increased their interest
raises their interest
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
This open access formula is an innovative and valuable opportunity for readers and authors who are interested in deepening their knowledge and keeping up to date on international agri-food policy and economic issues of the agricultural and food sector in a globalised world.
The two powers can and should negotiate in a spirit of "constructive realism," deepening cooperation where their interests coincide while quarantining and managing the issues on which they disagree.
News & Media
And though the awful movie version that came out a year later can't be pinned on Boyle, it certainly didn't deepen my interest in his work.
News & Media
Were deflation to deepen, real interest rates would rise, further hampering economic activity.Eric Rosengren, president of the Federal Reserve Bank of Boston, noted recently that the Fed has hit, or all but hit, the zero limit twice this decade.
News & Media
Frank Panzarella, who coordinates the monthly concert series, said the group aimed "to expand and deepen the interest in folk music, to enable access to the best of national acts, while maintaining our determination to promote new and also local talent".
News & Media
Mr. Woodside's first marriage ended in divorce, and after he remarried in September 1975 and moved into Manhattan, Mr. Woodside also had the opportunity to deepen his interest and appreciation of art.
News & Media
But it doesn't deepen in interest.
News & Media
"J8 was a great opportunity for me to broaden my views and deepen my interest in global issues," she said.
Formal & Business
Broaden and deepen your interests by having the attitude that you are interested in everything.
Wiki
Another way to broaden and deepen your interests is to ask questions about others' interests.
Wiki
While doing so, he came across articles about boxing deaths, deepening his interest in the Velazquez project.
News & Media
Expert writing Tips
Best practice
When aiming to "deepen their interest", provide opportunities for hands-on experience and active participation. This helps individuals connect with the subject matter on a personal level, strengthening their engagement.
Common error
Avoid merely presenting more information without fostering a genuine understanding. "Deepening their interest" requires going beyond surface-level knowledge and encouraging critical thinking and exploration of underlying principles.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "deepen their interest" functions as a verb phrase where 'deepen' acts as a transitive verb requiring an object ('their interest'). It is used to describe the action of enhancing or strengthening someone's enthusiasm for a subject.
Frequent in
News & Media
30%
Science
25%
Formal & Business
20%
Less common in
Wiki
15%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "deepen their interest" is a grammatically sound and versatile phrase used to describe the act of strengthening someone's enthusiasm for a particular subject. As noted by Ludwig, the phrase is widely used across various contexts, including news, science, business, and general writing. Its neutral register and clear meaning make it suitable for both formal and informal communications. To effectively "deepen their interest", provide hands-on experiences and encourage exploration of underlying principles. Avoid simply presenting more information without fostering genuine understanding.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
cultivate their interest
Focuses on nurturing and developing interest over time, implying a more gradual process.
foster their interest
Similar to cultivate, but suggests a more active role in encouraging and supporting interest.
heighten their interest
Implies increasing the intensity or degree of interest someone already has.
stimulate their interest
Emphasizes the act of provoking or arousing interest, making something more exciting.
expand their interest
Focuses on broadening the scope of someone's interest, covering more aspects of a topic.
intensify their interest
Similar to heighten, but can imply a more powerful or passionate increase in interest.
ignite their interest
Suggests a sudden and intense burst of interest, like setting something on fire.
sharpen their interest
Suggests focusing or refining interest, making it more specific and targeted.
fuel their passion
Shifts the focus to passion, suggesting a strong and driving interest.
nurture their curiosity
Focuses on developing someone's innate curiosity rather than a specific interest.
FAQs
How can I effectively use "deepen their interest" in a sentence?
Use "deepen their interest" when you want to express the act of strengthening someone's engagement or enthusiasm for a specific topic. For example, "The workshop aimed to deepen their interest in environmental conservation."
What are some alternatives to "deepen their interest"?
You can use alternatives like "cultivate their interest", "foster their interest", or "heighten their interest" depending on the specific nuance you wish to convey.
Is it appropriate to use "deepen their interest" in formal writing?
Yes, "deepen their interest" is suitable for formal writing. It's a clear and professional way to describe encouraging stronger engagement. Its appropriateness depends on the context, as other phrases could be more suitable. It is a versatile phrase that can work in various settings.
What is the difference between "deepen their interest" and "increase their knowledge"?
"Deepen their interest" focuses on enhancing enthusiasm and engagement, while "increase their knowledge" focuses on expanding understanding and factual information. The former is about emotional connection, the latter is about cognitive growth.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested