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
caution is required
Grammar usage guide and real-world examplesUSAGE SUMMARY
"caution is required" is correct and usable in written English.
You can use it when you want to warn someone about the possible dangers or risks associated with an action, task, situation, etc. For example: "Given the hazardous conditions of the road, caution is required when driving through this area."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
prudence is needed
care is necessary
vigilance is essential
caution is advised
discretion is warranted
a cautious approach is recommended
one must be careful
caution is needed
vigilance is required
attention is required
prudence is required
caution is necessary
caution is deserved
caution is justified
caution is recommended
caution is perceived
caution is repeated
caution is called
caution is imperative
caution is suggested
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
60 human-written examples
Caution is required.
News & Media
Caution is required here.
Academia
"It could be a matter of life and death so caution is required".
News & Media
Caution is required with this topic because it is deep, wide and risky.
News & Media
Caution is required with increasing number of bleeds but not degree of praevia.
Nothing attracts the ladies like a lightsaber, he said, but caution is required.
News & Media
I already have my arch, so caution is required not to overpluck.
News & Media
However, at least some caution is required here.
Science
Hence, caution is required when transferring the results of this study to clinical settings.
As a core, underlying technology, more caution is required in the regulation of blockchain technology.
Science
Some caution is required in understanding this claim about the defilements.
Science
Expert writing Tips
Best practice
When using "caution is required", be specific about the area where caution is needed. For example, instead of just saying "caution is required", specify "caution is required when handling flammable materials".
Common error
Avoid using "caution is required" as filler. Ensure there's a genuine reason for caution and that it adds value to the communication. If there's no real danger or risk, consider using milder phrasing.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "caution is required" functions as an advisory statement, typically introducing a warning or a call for careful consideration. As Ludwig AI confirms, it is grammatically correct and usable. It serves to alert the audience to potential risks or dangers in a specific situation.
Frequent in
Science
48%
News & Media
28%
Academia
12%
Less common in
Formal & Business
8%
Encyclopedias
2%
Reference
2%
Ludwig's WRAP-UP
In summary, "caution is required" is a versatile phrase used to advise carefulness in potentially risky situations. Ludwig AI confirms its grammatical correctness and usability across various contexts. It's particularly common in scientific, news, and academic settings, and while its register is generally neutral to formal, it can be adapted to different situations by specifying the area where caution is needed. Remember to use it judiciously, ensuring there's a genuine need for warning and to avoid overuse. Related phrases like "prudence is needed" or "care is necessary" can provide alternative ways to express a similar sentiment.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
caution is advised
Advises a cautious approach, similar to requiring it, but implies a recommendation rather than a strict necessity.
prudence is needed
Emphasizes the need for wisdom and careful consideration, focusing more on thoughtful action.
care is necessary
Highlights the need for attentiveness and careful handling, somewhat less formal.
vigilance is essential
Stresses the importance of being watchful and alert, often in situations involving potential danger.
discretion is warranted
Suggests that good judgment and circumspection are appropriate, particularly in sensitive situations.
circumspection is indicated
A more formal way of suggesting caution, often used in technical or professional contexts.
a cautious approach is recommended
Recommends careful and considered actions, often implying a step-by-step strategy.
one must be careful
A general expression urging attentiveness and avoidance of mistakes or dangers.
it is important to be cautious
Highlights the importance of being careful, adding a degree of emphasis.
extreme care must be taken
Emphasizes the need for meticulous and thorough attentiveness, often in high-stakes situations.
FAQs
How can I use "caution is required" in a sentence?
You can use "caution is required" to advise careful consideration or action in situations that may involve risk or uncertainty. For example, "Due to the icy conditions, "caution is required" when driving."
What are some alternatives to "caution is required"?
Alternatives include phrases like "prudence is needed", "care is necessary", or "vigilance is essential", depending on the specific context and level of formality.
Is it better to say "caution is required" or "caution is advised"?
"Caution is required" implies a necessity for careful action, while "caution is advised" suggests a recommendation. The best choice depends on whether caution is mandatory or simply suggested.
What's the difference between "caution is required" and "extreme caution is required"?
"Extreme caution is required" indicates a higher level of risk or potential danger compared to simply saying ""caution is required"". It emphasizes the need for heightened awareness and care.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested