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
substantial concern
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "substantial concern" is correct and usable in written English.
It can be used when discussing significant issues or worries regarding a particular topic or situation. Example: "The committee expressed substantial concern about the environmental impact of the proposed project."
✓ Grammatically correct
Science
News & Media
Academia
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
There is therefore substantial concern about abnormalities in cloned humans.
News & Media
Therefore, there is substantial concern about the economic, ecological, and sociocultural consequences of this disease.
Allegations of substantial concern were lumped together with relatively minor charges of no apparent military significance.
News & Media
Background: The quality of medication use in older adults is a recurring problem of substantial concern.
"It's become a substantial concern among OB-GYN's, who are beginning to step back a little, I think.
News & Media
So asynchronous circuits could be particularly useful in devices such as mobile phones, where radio interference is a substantial concern.
News & Media
Robotic warfare has been on the radar of realistic development options for at least a decade, and raises substantial concern about a robotic arms race.
Academia
"It is a substantial concern of mine that we could have a five-year wrestling match and, at the end, that's it, it's all over," Mr. Cherkasky said.
News & Media
There has been substantial concern that aspen has been declining in the western US, but trends of aspen persistence vary both geographically and temporally.
Pharmaceutical contamination of shallow groundwater is a substantial concern in effluent-dominated streams, due to high aqueous mobility, designed bioactivity, and effluent-driven hydraulic gradients.
Science
There can be no question that the public debates at the sessions of the city council regarding Bresler's negotiations with the city were a subject of substantial concern to all who lived in the community.
Academia
Expert writing Tips
Best practice
Use "substantial concern" to clearly and directly communicate that a particular issue is causing significant worry or anxiety among a group of people or within an organization. Ensure the context provides enough information about why the concern is substantial.
Common error
While appropriate for formal writing, avoid using "substantial concern" in casual conversations or informal writing. Opt for simpler phrases like "big worry" or "major concern" to maintain a natural tone.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "substantial concern" functions as a noun phrase that typically serves as the subject complement or object in a sentence. It indicates a significant level of worry or anxiety about a particular issue. As Ludwig AI confirms, this phrase is usable in written English.
Frequent in
Science
40%
News & Media
35%
Academia
20%
Less common in
Formal & Business
5%
Wiki
0.5%
Reference
0%
Ludwig's WRAP-UP
In summary, "substantial concern" is a grammatically sound and frequently used phrase to convey significant worry or anxiety. As confirmed by Ludwig, it's suitable for formal contexts like academic, scientific, and news reporting. Its usage spans across various domains, emphasizing issues of health, environment, and security. While effective, it's advisable to consider simpler alternatives in casual settings. The phrase's frequent appearance in authoritative sources like The New York Times and ScienceDirect underscores its reliability and widespread acceptance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
significant worry
Replaces "concern" with "worry" and "substantial" with "significant", offering a slightly less formal tone.
genuine worry
Replaces "concern" with "worry" and "substantial" with "genuine", offering a slightly less formal tone.
serious apprehension
Uses stronger vocabulary like "apprehension" to emphasize the gravity of the concern.
major misgiving
Focuses on a feeling of doubt or unease about something, replacing "concern" with "misgiving".
grave anxiety
Emphasizes the intensity of the concern by using "grave" and "anxiety".
considerable disquiet
Employs a more formal and nuanced expression for unease.
notable disquietude
Uses more formal vocabulary like "disquietude" to emphasize the gravity of the concern.
real cause for alarm
Highlights that the concern warrants a sense of urgency and potential danger.
significant reservations
Focuses on expressing doubts or hesitations about something.
legitimate unease
Highlights the validity and justification for the feeling of unease.
FAQs
How can I use "substantial concern" in a sentence?
You can use "substantial concern" to express a significant worry or anxiety about something. For example, "There is "substantial concern" about the environmental impact of the new factory".
What can I say instead of "substantial concern"?
You can use alternatives like "significant worry", "serious apprehension", or "grave anxiety" depending on the context.
Is it better to say "substantial concern" or "serious concern"?
Both "substantial concern" and "serious concern" are valid, but "substantial" implies a greater degree of worry and significance than "serious". The best choice depends on the specific context and the level of emphasis you want to convey.
When is it appropriate to use the phrase "substantial concern"?
The phrase "substantial concern" is most appropriate in formal or professional contexts when you want to express a significant level of worry or anxiety about a particular issue. It is commonly used in academic, scientific, and news reporting.
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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested