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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
a vigorous interest
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a vigorous interest" is correct and usable in written English.
You can use it to describe a strong and enthusiastic curiosity or engagement in a particular subject or activity. Example: "She has a vigorous interest in environmental conservation, often volunteering for local clean-up events."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Wiki
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
4 human-written examples
What the Teutuls have in common, it seems, is a vigorous interest in keeping the television show going.
News & Media
It is no secret that China and other Asian countries are showing a vigorous interest in the region's resources.
News & Media
By 1877, Australia had a vigorous interest in sport, and a class of professional athletes was emerging.
Wiki
Juan Blanco Ruiz, a local architect who has taken a vigorous interest in the case, was the first to tip Hurley off about the development.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
But broad and vigorous interest has been rekindled.
Science
In recent years, however, emotions have once again become the focus of vigorous interest in philosophy, as well as in other branches of cognitive science.
Science
There has been vigorous interest in identifying biomarkers in biofluids of patients with ALS, such as cerebrospinal fluid (CSF), blood, and urine.
Science
But counterforces were at work: a vigorous upsurge of interest, influenced by European thinkers, in the education and nurture of children; the dying-out of the old Puritanism; and the accumulation of enough national history to stimulate the imagination.
Encyclopedias
So far, the SNP's public scenario planning has centred around a Labour government taking power at Westminster: a Tory victory would allow them to present themselves as a vigorous champion of Scottish interests but could leave them much less influential, with Labour still occupying the more dominant role as the official opposition.
News & Media
In the address he hailed an era of peace and prosperity at home and urged a vigorous assertion of U.S. interests in its foreign relations, including the "eminently important" acquisition of new territories.
Wiki
"The rally in world stock markets from recession lows has brought renewed hopes on Wall Street and the City of London for a return to outlandish bonuses for financial operators and a vigorous defense of established vested interests".
News & Media
Expert writing Tips
Best practice
Use "a vigorous interest" to describe someone's enthusiastic and energetic engagement with a subject or activity. It implies more than just a casual interest; it suggests active involvement and keen attention.
Common error
Avoid using "a vigorous interest" when a simple "interest" would suffice. The phrase is best reserved for situations where the level of enthusiasm or activity is notably high. Using it for minor interest may sound unnatural.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a vigorous interest" functions as a noun phrase, where "vigorous" modifies the noun "interest". It describes the intensity and activity associated with the interest, indicating a strong and energetic engagement. Ludwig AI confirms its correct usage.
Frequent in
News & Media
40%
Science
25%
Encyclopedias
20%
Less common in
Wiki
10%
Formal & Business
5%
Academia
0%
Ludwig's WRAP-UP
In summary, "a vigorous interest" is a valid and useful phrase to describe a strong, active, and enthusiastic engagement in a particular subject or activity. Ludwig AI confirms its correct usage in a variety of contexts, ranging from news and media to science and encyclopedias. While not as common as other similar phrases like "a strong interest" or "a keen interest", it adds a nuance of energy and active involvement that can be highly effective in conveying the depth of someone's commitment. Remember to use it judiciously, reserving it for situations where the level of enthusiasm or activity is notably high. Furthermore, consider that it may come across as somewhat formal, so adapt your expression accordingly.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a keen interest
Replaces "vigorous" with "keen", indicating a sharp and enthusiastic interest.
a strong interest
Substitutes "vigorous" with "strong", conveying a significant level of interest or concern.
an intense interest
Replaces "vigorous" with "intense", suggesting a deep and absorbing interest.
a lively interest
Changes "vigorous" to "lively", implying an active and animated interest.
a passionate interest
Substitutes "vigorous" with "passionate", highlighting a fervent and emotional interest.
a marked interest
Replaces "vigorous" with "marked", indicating a noticeable or distinct interest.
a deep-seated interest
Indicates an interest that is firmly established and profound.
a consuming interest
Suggests an interest that occupies much of one's attention or time.
a zealous interest
Emphasizes an interest filled with enthusiasm and fervor.
a substantial interest
Replaces "vigorous" with "substantial" conveying a considerable interest.
FAQs
How can I use "a vigorous interest" in a sentence?
Use "a vigorous interest" to describe a strong and active engagement with a particular subject. For example, "She showed "a vigorous interest" in marine biology, volunteering at the local aquarium every weekend".
What can I say instead of "a vigorous interest"?
You can use alternatives like "a keen interest", "a strong interest", or "an intense interest" depending on the context.
Is it redundant to say someone has "a vigorous passion" or "a vigorous enthusiasm"?
While not strictly incorrect, pairing "vigorous" with words like "passion" or "enthusiasm" can be redundant because these words already imply a high level of energy and excitement. It's often more effective to simply use "passion" or "enthusiasm" alone or find a different adjective.
What's the difference between "a keen interest" and "a vigorous interest"?
"A keen interest" suggests a sharp and eager attention, while ""a vigorous interest"" implies an active and energetic involvement. The former focuses on the intensity of attention, the latter on the level of activity.
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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
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested