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
high level of vigilance
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "high level of vigilance" is correct and usable in written English.
It can be used in contexts where one is discussing the need for alertness or careful observation, often in relation to safety, security, or awareness. Example: "In order to prevent any potential threats, the security team maintained a high level of vigilance throughout the event."
✓ Grammatically correct
News & Media
Science
Alternative expressions(19)
increased awareness
close observation
keen observation
strict surveillance
diligent monitoring
enhanced scrutiny
heightened awareness
high level of attention
high level of attentiveness
high level of awareness
high level of alertness
high level of culture
high level of malnutrition
high level of homeownership
high level of confidence
high level of police
high level of tennis
high level of involvement
high level of technology
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
26 human-written examples
High level of vigilance for the diagnosis of MetS is expected among health providers.
Citizens remaining in Bahrain should "maintain a high level of vigilance and exercise good security practices," the statement said.
News & Media
A bulletin issued by the British Embassy suggested that citizens "maintain a high level of vigilance" because the terrorist threat was still high.
News & Media
And that's what the travel advisory says, that people should exercise a high level of vigilance and increase their security awareness".
News & Media
"All visitors to these countries should take sensible precautions and maintain a high level of vigilance in public places," said a Foreign Office spokesperson.
News & Media
On Wednesday, the US embassy had warned its citizens to "maintain a high level of vigilance" against possible retaliation for the Delta Force raid.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
34 human-written examples
Australians should monitor local media, avoid protests, maintain high levels of vigilance and security awareness.
News & Media
High levels of vigilance are therefore justified.
Science
Level 2 is the second highest level of vigilance and it is invoked when military officials fear "a grave threat" from the North, the defense officials said.
News & Media
The Federal Bureau of Investigation told all law enforcement agencies that they should be at their highest state of alert -- "the highest level of vigilance," ready to respond to any act of terrorism or violence.
News & Media
A 1995 Pentagon review concurred, finding that responsibility for the attack "should be broadly shared" but that "the intelligence available to Admiral Kimmel and General Short was sufficient to justify a higher level of vigilance than they chose to maintain".
News & Media
Expert writing Tips
Best practice
When discussing safety protocols or security measures, use "high level of vigilance" to emphasize the importance of alertness and proactive monitoring to prevent potential incidents.
Common error
Avoid using "high level of vigilance" repeatedly in the same text. Vary your language by using synonyms like "heightened awareness" or "increased alertness" to keep your writing engaging and avoid sounding repetitive.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "high level of vigilance" functions as a noun phrase. It typically acts as the object of a verb or preposition, denoting a state of heightened awareness and watchfulness. According to Ludwig AI, the phrase is considered correct and usable in written English.
Frequent in
News & Media
40%
Science
40%
Formal & Business
10%
Less common in
Encyclopedias
5%
Academia
5%
Reference
0%
Ludwig's WRAP-UP
In summary, "high level of vigilance" is a grammatically sound phrase used to express the need for heightened alertness and careful observation. While Ludwig AI confirms its correctness, it's important to vary your language to avoid repetition. This phrase is most commonly found in News & Media and Scientific contexts, indicating its relevance in discussions of safety, security, and careful monitoring. Alternatives include "heightened awareness" and "increased alertness". Remember to use this phrase judiciously and ensure that your writing remains clear and engaging.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
elevated alertness
Similar to heightened state of alert but uses "alertness" directly.
heightened state of alert
Replaces "vigilance" with "alert", emphasizing readiness for potential danger.
close observation
Simple and direct, focusing on careful watching.
watchful attention
Highlights the act of paying close and careful attention.
constant attentiveness
Emphasizes continuous and unwavering attention.
increased awareness
Focuses on being more conscious and informed about surroundings or situations.
keen observation
Focuses on the quality of observing with sharpness and detail.
strict surveillance
Emphasizes close observation and monitoring, often suggesting a more formal or controlled setting.
diligent monitoring
Stresses the consistent and careful tracking of something.
enhanced scrutiny
Suggests a more detailed and critical examination.
FAQs
How can I use "high level of vigilance" in a sentence?
You can use "high level of vigilance" to describe the need for increased alertness or careful observation in various contexts. For example: "The security team maintained a high level of vigilance during the event."
What are some alternatives to "high level of vigilance"?
You can use alternatives like "heightened state of alert", "increased awareness", or "elevated alertness" depending on the context.
Is it redundant to say "maintain a high level of vigilance"?
While "maintain a high level of vigilance" is a common phrasing, consider whether "maintain vigilance" or "remain vigilant" might be more concise and impactful depending on the specific context. The addition of "high level of" is usually included for emphasis.
What's the difference between "high level of vigilance" and "high degree of vigilance"?
Both "high level of vigilance" and "high degree of vigilance" are acceptable. "Level" refers to the intensity, while "degree" refers to the extent. In most contexts, they are interchangeable.
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
4.5/5
Expert rating
Real-world application tested