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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
keep a close watch for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "keep a close watch for" is correct and usable in written English.
It can be used when advising someone to be vigilant or attentive to something specific that may occur or be present. Example: "As we approach the storm season, it's important to keep a close watch for any weather alerts."
✓ Grammatically correct
News & Media
Wiki
Formal & Business
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
5 human-written examples
We'll keep a close watch for any trends," said Professor Donald R. Sadoway, who is teaching the class this term.
Here's to next Halloween – and in the meantime, keep a close watch for things that go bump in the night ….
News & Media
You are of course welcome to contact us again directly and do keep a close watch for news on the SSF Guidelines at http://www.fao.org/fishery/ssf/guidelines/en!
Formal & Business
It is still a good measure to keep a close watch for emergency signs, especially vomiting, sluggish speech, or disorientation.
Wiki
Keep a close watch for traffic behind you and traffic in the adjacent lane and move into position for the turn.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Using intelligence from American military spy satellites, the Japanese Coast Guard keeps a close watch for North Korean spy boats that approach Japanese territorial waters.
News & Media
'We have kept a close watch for cerebral concussion occurring as direct impact of blast wave on humans', Zuckerman wrote, 'but so far our Casualty survey failed to disclose an instance.' It is clear, he concluded, 'that the damage is simply a bruising of lung tissue due to the impact of the pressure wave on the chest wall' (Zuckerman to Adrian, 1941).
The smart move now is to implement it and keep a close watch out for consequences, both intended and otherwise.
News & Media
He wouldn't be freed for 11 months, whereupon he was deemed innocent but still necessary to "keep a close watch on... for future subversive activities".
News & Media
Her high school teammates, many of whom Franklin has known for years, keep a close watch on her, looking for any signs of cracks in her preternatural composure.
News & Media
They keep a close watch on the earth for people in need of caring.
News & Media
Expert writing Tips
Best practice
When using "keep a close watch for", ensure the object of your vigilance is clearly stated to avoid ambiguity. For example, "Keep a close watch for any signs of unusual activity."
Common error
While acceptable in most situations, avoid using "keep a close watch for" excessively in very casual conversations. Simpler alternatives like "watch out" or "look out" may be more appropriate.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "keep a close watch for" functions primarily as a directive, urging the audience to be vigilant and observant. This is supported by Ludwig which deems the expression correct and usable. Examples include being watchful for traffic or emergency signs.
Frequent in
News & Media
40%
Wiki
20%
Formal & Business
20%
Less common in
Academia
10%
Science
10%
Reference
0%
Ludwig's WRAP-UP
The phrase "keep a close watch for" is a directive used to advise vigilance and awareness. As supported by Ludwig, it is grammatically correct and usable across various contexts. While the phrase appears most frequently in News & Media, it's also common in Wiki and Formal & Business settings. When writing, it's essential to state clearly the object of vigilance to avoid ambiguity, while avoiding overuse in informal contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
stay alert for
Less emphatic, implying a general state of readiness.
be on the lookout for
More colloquial, suggesting a proactive search for something.
watch out for
Focuses on potential dangers or problems.
be vigilant for
More formal, emphasizing a high level of watchfulness.
keep an eye out for
Informal, implying a casual but attentive observation.
pay close attention to
Focuses on careful observation, not necessarily for something specific.
monitor closely for
Suggests a systematic and regular observation.
observe carefully for
Emphasizes the detailed and thorough nature of the observation.
be attentive to
General advice to be aware, without necessarily looking for anything specific.
remain watchful for
Highlights the continuous aspect of being observant.
FAQs
How can I use "keep a close watch for" in a sentence?
You can use "keep a close watch for" to advise someone to be vigilant about something specific. For example, "During the pandemic, it's crucial to keep a close watch for any new symptoms."
What are some alternatives to "keep a close watch for"?
Alternatives include "stay alert for", "be on the lookout for", or "watch out for", depending on the context.
Is it better to say "keep a close watch" or "keep a close eye"?
Both phrases are acceptable, but "keep a close watch" often implies a more formal or serious situation, whereas "keep a close eye" can be more casual.
What does "keep a close watch for" really mean?
It means to be very careful and observant in order to notice something, often something that might be problematic or important.
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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
4.1/5
Expert rating
Real-world application tested