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
remain alert
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "remain alert" is correct and usable in written English.
You can use it to remind or advise someone to pay attention to what is happening or what is being said. For example, you might write: "The changing situation requires us to remain alert for any emerging risks."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
take enormous care
remained cautious
stay vigilant
be particularly vigilant
if you dare
take utmost care
please use caution
act with caution
work with caution
handle with care
act with care
exercise increased caution
should you be so bold
take greater care
be on your guard
take extra time
be watchful
be extremely cautious
keep ready
take great care
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
I remain alert.
News & Media
I repeat, I remain alert".
News & Media
And to remain alert, of course.
News & Media
Tornadoes are possible, and residents are asked to remain alert.
News & Media
And we ask for citizens to remain alert".
News & Media
Women of my age need to remain alert.
News & Media
To be sure, there are reasons to remain alert.
News & Media
"We need to remain alert, without breaking into panic".
News & Media
-- Pat Summitt plays games and puzzles on her iPad to help her remain alert.
News & Media
But we remain alert for other long-ago jingles to creep into police parlance.
News & Media
Sometimes, Davies said, he did not remain alert when the ball drifted from him.
News & Media
Expert writing Tips
Best practice
Use "remain alert" when you want to emphasize the ongoing need for vigilance, especially in situations where conditions might change unexpectedly.
Common error
Avoid using "remain alert" in everyday, informal situations. It can sound overly formal or even alarming. Opt for more casual alternatives like "pay attention" or "be aware" in less serious contexts.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "remain alert" functions as a directive, urging individuals to maintain a state of heightened awareness and readiness. According to Ludwig, it's often used to advise or remind someone to pay attention to ongoing events or potential dangers.
Frequent in
News & Media
50%
Science
25%
Formal & Business
15%
Less common in
Wiki
5%
Reference
3%
Encyclopedias
2%
Ludwig's WRAP-UP
In summary, the phrase "remain alert" is a grammatically sound and commonly used expression that encourages vigilance and preparedness. Ludwig AI confirms its correct usage and provides numerous examples across various contexts, primarily in news, scientific, and formal business settings. While generally neutral to formal, it's best suited for situations where continuous awareness is crucial. Alternatives include "stay vigilant" or "keep watch", but avoid overusing "remain alert" in casual conversations to prevent sounding overly formal.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
stay vigilant
Focuses on maintaining watchfulness over a period.
be vigilant
Similar to "stay vigilant" but without the sense of duration.
be watchful
Focuses on being observant and ready to act.
keep watch
Emphasizes the act of observing for potential threats or changes.
be on the lookout
Highlights actively searching for something specific.
keep an eye out
Indicates looking out for something specific that might appear.
stay attentive
Implies paying close attention to details and surroundings.
maintain awareness
Focuses on preserving a state of consciousness and understanding.
pay attention
Highlights the importance of focusing one's mental effort.
exercise caution
Suggests acting with care and prudence.
FAQs
How can I use "remain alert" in a sentence?
You can use "remain alert" to advise someone to pay attention, as in: "Residents are asked to "remain alert" for potential flood warnings".
What are some alternatives to "remain alert"?
Some alternatives to "remain alert" include "stay vigilant", "keep watch", or "be on the lookout". Each carries a slightly different nuance.
Is it better to say "remain alert" or "stay alert"?
Both "remain alert" and "stay alert" are correct and often interchangeable. "Remain alert" might suggest a more prolonged or continuous state of vigilance, while "stay alert" can imply immediate attention. However, the difference is subtle.
When is it appropriate to use "remain alert"?
Use "remain alert" in situations where vigilance is crucial, such as during emergencies, in security contexts, or when advising someone to be cautious about potential risks. In formal settings, "remain alert" is frequently observed.
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