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
was highly concerning
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "was highly concerning" is correct and usable in written English.
It can be used to express that something caused significant worry or alarm in a past context. Example: "The report on the environmental impact of the project was highly concerning to the community members."
✓ Grammatically correct
News & Media
Science
Alternative expressions(16)
is a major worry
is quite concerning
is worrisome
is very into
is very about
is very concerning
is alarming
raises significant concerns
is very relevant
is regrettable
were extremely concerning
demands immediate attention
is deeply troubling
warrants serious consideration
is highly concerning
gives cause for alarm
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
3 human-written examples
He said the possible chilling effect on democratic activity was highly concerning.
News & Media
Mnuchin said the growth in federal debt under former President Barack Obama was "highly concerning" and told attendees that infrastructure spending will not be part of the tax talks between the administration and Congress.
News & Media
The increase in size and development of a soft tissue component, along with new symptoms, was highly concerning for malignant transformation.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
The Royal Australian and New Zealand College of Psychiatrists said it was "highly concerned" by the reports.
News & Media
SHERRON WATKINS: I was highly concerned that not only had the Titanic hit the iceberg, but we were already tilting.
News & Media
The Chinese Embassy gave a tart statement to the newspaper the Australian saying that it was "highly concerned" that its investment had been rejected.
News & Media
"As a mother, and as a parent, when I read the list of these products, I was highly concerned because many of the products on this list were literally in my bathroom," she said in a conference call.
News & Media
In the same post, she quoted the Times' executive editor Jill Abramson as noting "The Guardian at the beginning was highly concerned about working in a way that kept the material secure – we went to lengths to safeguard the material".
News & Media
It said the government was "highly concerned about hostility against critical infrastructure organizations," and included a link to a previous warning about Shamoon, the virus used in the Saudi Aramco attack last year.
News & Media
However, Sean McKeever of the union Unite, said he was "highly concerned" with the news of the temporary closure.
News & Media
China, which has a major investment in the port of Piraeus, said it was "highly concerned" by the moves, according to AFP news agency.
News & Media
Expert writing Tips
Best practice
When using "was highly concerning", ensure the context clearly identifies what caused the concern and why it was significant. This helps provide a complete picture for the reader.
Common error
Avoid relying solely on "highly" to intensify concern. Instead, provide specific details about the issue and use stronger verbs or adjectives to convey the severity of the concern. For example, instead of saying "the situation was highly concerning", try "the situation presented significant risks".
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "was highly concerning" functions as a predicate adjective, describing a subject's state or quality. It indicates that something caused a significant level of worry or alarm. The examples provided by Ludwig demonstrate its use in describing situations that prompted concern.
Frequent in
News & Media
33%
Science
33%
Academia
33%
Less common in
Encyclopedias
0%
Wiki
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "was highly concerning" functions as a predicate adjective to express significant worry or alarm about a past event. Ludwig AI confirms its grammatical correctness and suitability for neutral to formal contexts, particularly in news, scientific and academic writing. While not exceedingly common, the phrase is readily understood and effectively conveys the seriousness of a situation. Consider the related phrases to add nuance to your writing. Be cautious with "highly" and ensure the source of concern is clear.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
was deeply troubling
Replaces "highly concerning" with "deeply troubling", emphasizing the disturbing nature of the issue.
was very alarming
Substitutes "highly concerning" with "very alarming", highlighting the alarming aspect.
caused significant worry
Replaces the entire phrase with a more descriptive expression of causing significant worry.
raised serious concerns
Shifts the focus to the act of raising concerns, rather than the state of being concerned.
prompted considerable anxiety
Uses "prompted considerable anxiety" to convey a similar feeling of unease and worry.
was a major worry
Simplifies the phrase to express that something was a significant source of worry.
was cause for alarm
Indicates that the situation was serious enough to warrant alarm.
was a serious matter for concern
Rephrases the concern as a serious issue, emphasizing the gravity of the situation.
demanded immediate attention due to its worrying nature
Explains why something got immediate attention. Not interchangeable, use only where you want to provide more information.
represented a worrying trend
Focuses on how the issue is a sign of something more serious in the future, framing the problem as a trend.
FAQs
What are some alternative ways to say "was highly concerning"?
You can use alternatives like "was deeply troubling", "was very alarming", or "raised serious concerns" depending on the context.
How can I use "was highly concerning" in a sentence?
Use "was highly concerning" to describe something in the past that caused significant worry or alarm. For example: "The increase in errors in the financial report "was highly concerning" to the auditors."
What makes something "highly concerning" versus just "concerning"?
"Highly concerning" suggests a greater level of worry or alarm than simply "concerning". It implies that the issue is particularly serious or has significant potential consequences.
Is "was highly concerning" formal or informal language?
"Was highly concerning" is suitable for neutral to formal contexts, such as news reports, academic papers, or professional communications. In more casual settings, you might opt for a simpler phrase like "was very worrisome".
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
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested