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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
vigilance is key
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "vigilance is key" is correct and usable in written English. You can use it in contexts where emphasizing the importance of being alert or watchful is necessary. For example, "In cybersecurity, vigilance is key to preventing breaches." Alternative expressions include "alertness is crucial" and "watchfulness is essential."
✓ Grammatically correct
News & Media
Academia
Science
Wiki
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
2 human-written examples
Vigilance is key to making yourself a harder target for identity thieves.
News & Media
Expert vigilance is key to successful investment, as it is critical to protecting the investor's profit.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Constant monitoring and vigilance are key.
News & Media
Vigilance is the key, and you can't be vigilant if you're romanticizing the past.
News & Media
INTELLIGENCE: RESEARCH BRIEF: Vigilance is the key to avoiding potential organizational nightmares.
Eternal vigilance is one key to a successful lobbying effort, and few are better at it than the tobacco industry.
News & Media
Vigilance is the key word here.
News & Media
So for now at least, it seems vigilance is the key to avoiding lamp-posts and unexpected manholes.
News & Media
Theories of anxiety [1] [5], [7] [9], [32] and worry [25], [42] suggest that vigilance is a key factor in anxiety pathology, consistent with evidence across a range of physiological indicators [12], [17], [26], [29], [43] [44].
Science
"Vigilance is the key word here, because there are so many chemicals out there," says Burger.
Vigilance is the key to keeping plant diseases at bay in a glasshouse.
Wiki
Expert writing Tips
Best practice
When discussing security measures or preventative actions, use "vigilance is key" to underscore the necessity of constant awareness and watchfulness.
Common error
Avoid using "vigilance is key" as a generic filler. Ensure it directly relates to the subject matter and provides actionable insight, instead of sounding like a platitude.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "vigilance is key" functions as a subject complement. It identifies and emphasizes a crucial attribute or requirement for success or prevention of negative outcomes. Ludwig AI indicates its acceptability and diverse application.
Frequent in
News & Media
50%
Science
25%
Academia
25%
Less common in
Wiki
0%
Encyclopedias
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "vigilance is key" is a phrase used to emphasize the importance of watchfulness and attentiveness. Ludwig AI identifies it as a grammatically correct expression. While its frequency is rare, it is present in news, academic, and scientific contexts. When writing, ensure it provides actionable insight. Alternatives include "alertness is crucial" or "watchfulness is essential" depending on the specific nuance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
alertness is crucial
Replaces "vigilance" with "alertness" and "key" with "crucial", maintaining a similar level of emphasis.
watchfulness is essential
Substitutes "vigilance" with "watchfulness" and "key" with "essential", conveying a slightly more formal tone.
staying alert is paramount
Rephrases the entire sentence structure to emphasize the importance of staying alert.
remaining watchful is vital
Similar to the previous alternative, but with a slightly different choice of words.
attentiveness is fundamental
Highlights the role of attentiveness as a basic requirement.
caution is paramount
Shifts the focus slightly to caution, implying a need for careful consideration and awareness.
preparedness is essential
Emphasizes the importance of being ready for potential issues.
awareness is critical
Focuses on the need for understanding and recognizing potential threats.
diligence is paramount
Highlights the importance of consistent and careful effort.
keen observation is vital
Emphasizes the importance of noticing and paying attention to details.
FAQs
What does "vigilance is key" mean?
The phrase "vigilance is key" means that being watchful, alert, and attentive is essential to achieve a desired outcome or prevent negative consequences. It highlights the importance of constant awareness and proactive monitoring.
How can I use "vigilance is key" in a sentence?
You can use "vigilance is key" when emphasizing the necessity of being alert and observant. For example, "In cybersecurity, "vigilance is key" to preventing breaches" or "When managing plant disease in a glasshouse, "vigilance is key"".
What are some alternatives to "vigilance is key"?
Some alternatives to "vigilance is key" include "alertness is crucial", "watchfulness is essential", or "staying alert is paramount". The best choice depends on the specific context and desired tone.
Is it more appropriate to say "vigilance is key" or "vigilance is crucial"?
Both "vigilance is key" and "vigilance is crucial" are grammatically correct and convey a similar meaning. "Key" suggests fundamental importance, while "crucial" implies decisive significance. The choice depends 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
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested