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
signals of concern
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "signals of concern" is correct and usable in written English.
It can be used when discussing indications or signs that suggest worry or unease about a situation or behavior. Example: "The teacher noticed several signals of concern in the student's recent behavior, prompting her to reach out for support."
✓ Grammatically correct
News & Media
Science
Alternative expressions(5)
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
6 human-written examples
On Nov. 9 "Seussical" opens at the Richard Rodgers Theater, having run the gamut of gossip, from reports of early ecstasy to more recent signals of concern.
News & Media
Prof Philippe Sands QC, who has appeared as an advocate before the ICC, said: "There are clear signals of concern about the future wellbeing of the ICC in relation to Africa.
News & Media
We are now in the position of watching politicians and newscasters talk about disturbing issues — like, say, the state of our education system, or environmental degradation — yet they cannot muster signals of concern, much less dismay.
News & Media
In this study, no new safety signals of concern were observed and the safety profiles of lisdexamfetamine and OROS-MPH were similar to the known effects of stimulant medications [ 26].
Science
In this analysis of 19 randomized, placebo-controlled and active comparator-controlled clinical trials, no specific safety signals of concern were identified with the use of exenatide twice daily.
A combined interim analysis on long-term safety in PRECiSE 3 and 4, available only in abstract form, showed no new safety signals of concern (Colombel et al. 2007d).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
Many analysts have interpreted the absence of those requests as a tacit signal of concern from those who could not vote last week.
News & Media
Also, the use of pass filters to extract the signal of concern from the noisy data has been exhibited.
The input signal of concern in this analysis is a pulsatile signal [85], which is a signal representation of a molecular flow with periodic variations.
If discrepancies are more common in retracted studies than unretracted studies, they might represent an accessible signal of concern for readers.
Science
The commercial paper market is emitting signals of continued concern, and many of the nation's top corporate executives are still glum.
News & Media
Expert writing Tips
Best practice
When using "signals of concern", ensure the context clearly identifies what is causing the worry or apprehension. Be specific to enhance clarity.
Common error
While "signals of concern" is appropriate for formal writing, consider using simpler alternatives like "red flags" or "warning signs" in informal conversations to maintain a natural tone.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "signals of concern" primarily functions as a noun phrase, acting as the subject or object of a sentence. It identifies the existence of indicators that raise apprehension or worry about a particular situation. This is corroborated by Ludwig.
Frequent in
News & Media
43%
Science
43%
Formal & Business
14%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "signals of concern" is a grammatically sound noun phrase used to denote indicators that suggest worry or unease. Ludwig AI confirms that this expression is correct and usable in English, appearing across various contexts. While suitable for formal writing, simpler alternatives might be preferred in casual settings. It serves to express awareness of potential issues, and is frequently used in news and scientific domains. Use the phrase thoughtfully to precisely convey your concern based on available information.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
indicators of worry
Focuses on the indications rather than the signals, emphasizing the feeling of worry.
signs of apprehension
Replaces "concern" with "apprehension", highlighting a sense of unease about the future.
indications of unease
Uses "unease" instead of "concern", suggesting a feeling of discomfort or anxiety.
red flags
This is a more idiomatic expression indicating warnings.
warning signs
Directly indicates that something negative might happen.
causes for alarm
Emphasizes the reasons for feeling alarmed or worried.
sources of anxiety
Focuses on what is causing anxiety or worry.
reasons for disquiet
Highlights the reasons behind a state of unease or restlessness.
grounds for trepidation
Implies a fear or apprehension about what might happen.
omens of trouble
Suggests that something bad is likely to occur based on current signs.
FAQs
How can I use "signals of concern" in a sentence?
You can use "signals of concern" to describe indications that suggest worry or unease. For example: "The doctor noticed several "signals of concern" in the patient's blood test results".
What are some alternatives to "signals of concern"?
Alternatives include phrases like "indicators of worry", "warning signs", or "red flags", depending on the context.
When is it appropriate to use "signals of concern" in writing?
Use "signals of concern" in formal or professional contexts where you need to convey a sense of worry or apprehension based on specific indications. It's suitable for reports, articles, or serious discussions.
What's the difference between "signals of concern" and "alarming trends"?
"Signals of concern" refers to specific indications that something might be wrong, while "alarming trends" describes a pattern or direction that is causing worry. Trends typically look at data or something that changes over time, while signals are more immediate.
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
4.5/5
Expert rating
Real-world application tested