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
is highly concerning
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is highly concerning" is correct and usable in written English.
It can be used to express a strong sense of worry or alarm about a particular issue or situation. Example: "The recent increase in pollution levels in the city is highly concerning for the health of its residents."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
is deeply troubling
raises serious concerns
is a major worry
is very troubling
is quite concerning
is worrisome
is very into
is very about
is very concerning
is alarming
raises significant concerns
is highly relevant
was highly concerning
is very relevant
is regrettable
were extremely concerning
demands immediate attention
warrants serious consideration
gives cause for alarm
is deeply worrying
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
7 human-written examples
"Obviously it is highly concerning and Cricket Australia has acted immediately," a team spokesman said yesterday.
News & Media
"The fact that these older people are seeking financial advice from non-finance professionals, leaving their already stretched finances open to further risk, is highly concerning".
News & Media
"The growth of the new breed of motoring offences, like drug-driving and social networking behind the wheel, is highly concerning".
News & Media
Jha said he agreed with WHO's decision, but said the spread of Ebola to an urban area is highly concerning.
News & Media
The high proportion of K. pneumoniae resistant to third generation cephalosporin is highly concerning, particularly since all these infections were acquired after two days in hospital, and therefore probably hospital-acquired.
Science
The fact that none of the radiological reviewers including the responsible physicist considered the quality sufficient is highly concerning, as is the described lack of technologist and reader training and the high rate of interval cancers.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
Note Survey participants were asked on a scale from 1 to 5, where 1 is "not at all concerned" and 5 is "highly concerned," how concerned they are about the possible impacts of climate change.
He is highly concerned with the problems of ecology.
News & Media
China's quality watchdog says it is "highly concerned" about the cheat device in VW's diesel cars.
News & Media
It is clearly someone who is highly concerned with their peers' perception of them, who is worried they are not doing this "growing up" thing quite right.
News & Media
China's quality watchdog has said it is "highly concerned" about the device in Volkswagen's diesel cars designed to trick emissions tests.
News & Media
Expert writing Tips
Best practice
When using "is highly concerning", ensure the context clearly identifies what specific aspect is causing the concern, providing clarity and impact.
Common error
While grammatically correct, overuse of "is highly concerning" in casual conversation or informal writing can sound overly formal or dramatic. Consider using simpler phrases like "I'm worried about this" or "This is a problem" for a more natural tone.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is highly concerning" functions as a predicative adjective phrase. It modifies a subject by attributing to it the quality of being worrisome or alarming. Ludwig AI confirms its grammatical correctness.
Frequent in
News & Media
50%
Science
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "is highly concerning" is a grammatically correct and usable expression in English, as confirmed by Ludwig AI, to convey a significant level of worry or alarm. It functions as a predicative adjective phrase, modifying a subject with the quality of being worrisome. While versatile, it's most commonly found in neutral registers like news reports and scientific articles, but can sound overly formal in informal conversations. Alternatives such as "is deeply troubling" or "raises serious concerns" can provide similar meanings with slight variations in tone and emphasis.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is deeply troubling
Replaces "highly concerning" with a different adjective to convey a similar level of worry.
is a major worry
Substitutes the adjective with a noun phrase, emphasizing the level of concern.
raises serious concerns
Shifts the focus to the act of raising concerns, rather than stating the level of concern directly.
is cause for alarm
Uses a more urgent tone, suggesting that the situation warrants immediate attention.
is profoundly disturbing
Employs a stronger adjective to indicate a deeper level of unease.
is a significant issue of concern
Adds more detail, specifying that the issue is not only a concern but also significant.
is a serious cause for concern
Similar to "is cause for alarm" but slightly less urgent.
is greatly alarming
Replaces "concerning" with "alarming", implying a more immediate sense of danger.
is a worrisome trend
Identifies the subject as a trend, framing the concern within a pattern of events.
is hardly reassuring
Expresses concern by stating the opposite of reassurance.
FAQs
How can I use "is highly concerning" in a sentence?
You can use "is highly concerning" to express a strong sense of worry or alarm about a particular situation. For example, "The spread of misinformation online "is highly concerning"."
What are some alternatives to "is highly concerning"?
You can use alternatives like "is deeply troubling", "raises serious concerns", or "is profoundly disturbing" to express similar sentiments.
Is "is highly concerning" too formal for everyday conversation?
While grammatically correct, "is highly concerning" can sound overly formal in casual settings. Simpler phrases like "I'm really worried" or "This is a big problem" might be more appropriate.
What's the difference between "is concerning" and "is highly concerning"?
"Is concerning" expresses a general level of worry, while ""is highly concerning"" indicates a much stronger sense of alarm or unease.
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
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested