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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
are concerned by
Grammar usage guide and real-world examplesUSAGE SUMMARY
"are concerned by" is a correct phrase that can be used in written English.
It means that something has caused worry or anxiety in someone. Example: Many parents are concerned by the new policy on school lunches because it restricts what their children can eat.
✓ Grammatically correct
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
60 human-written examples
People are concerned by that".
News & Media
Some people are concerned by it.
News & Media
Those who are concerned by the polls..
News & Media
Others are concerned by the film's apparent raft of cameos.
News & Media
"We are concerned by recent Russian military movements.
News & Media
Journalist are concerned by the reflection they see.
News & Media
"We are concerned by the findings of the investigation.
News & Media
We are concerned by the continuous reduction in headcount guidance.
News & Media
"We are concerned by the possibility of an abuse," he said.
News & Media
"We are concerned by the relatively high level of moves into unsustained jobs," said the committee.
News & Media
We are concerned by reports that early drafts have watered down early ambition.
News & Media
Expert writing Tips
Best practice
When using "are concerned by", clearly state what is causing the concern to provide context and avoid ambiguity. For instance, "Experts are concerned by the rising sea levels" is more effective than simply saying "Experts are concerned."
Common error
Avoid using "are concerned about" when the intention is to highlight the cause of concern rather than the object. "Are concerned by" focuses on the source of the worry, while "are concerned about" is more general.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are concerned by" functions as a verb phrase indicating a state of worry or anxiety caused by something specific. Ludwig examples show its usage in contexts where people or entities express concern over certain issues.
Frequent in
News & Media
57%
Science
25%
Formal & Business
8%
Less common in
Reference
0%
Wiki
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "are concerned by" is a grammatically sound and frequently used expression that conveys worry or anxiety about a specific cause. Ludwig AI confirms its correctness and widespread application, particularly in news, media, and scientific contexts. While alternatives like "are worried about" exist, "are concerned by" emphasizes the source of the concern. When using this phrase, ensure clarity about what is causing the worry to avoid ambiguity. Understanding its correct usage, as demonstrated by Ludwig's examples, will enhance your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are worried about
Focus shifts to the object of concern using "about" instead of "by".
are anxious about
Replaces "concerned" with "anxious", emphasizing a stronger feeling of unease.
are troubled by
Emphasizes the disturbance or distress caused by something.
are disturbed by
Highlights the disruptive or unsettling nature of something.
have reservations about
Indicates uncertainty or doubt about something.
are apprehensive about
Similar to "anxious", suggesting a feeling of dread or worry about a future event.
are alarmed by
Suggests a sudden sense of fear or shock.
are uneasy about
Indicates a lack of comfort or security regarding something.
have misgivings about
Implies a sense of doubt or apprehension about the outcome.
are skeptical of
Expresses doubt or disbelief regarding something.
FAQs
What does it mean to be "concerned by" something?
To be "concerned by" something means that you are worried or anxious about it, especially because it poses a potential problem or risk.
What's the difference between "are concerned by" and "are concerned about"?
"Are concerned by" emphasizes the cause or source of the worry, while "are concerned about" is a more general expression of worry. Consider using "are worried about" as a general alternative.
How can I use "are concerned by" in a sentence?
Use "are concerned by" to indicate worry stemming from a specific cause. For example, "Scientists are concerned by the increasing rate of deforestation."
What are some alternative ways to express the same idea as "are concerned by"?
You can use alternatives like "are worried about", "are anxious about", or "are troubled by" depending on the specific nuance you want to convey.
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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
4.5/5
Expert rating
Real-world application tested