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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
close in
Grammar usage guide and real-world examplesUSAGE SUMMARY
"close in" is a correct and usable phrase in written English.
It can be used to describe something coming nearer, or to describe a group of people or animals gathering around an area. For example: "The soldiers started to close in on the enemy camp."
✓ Grammatically correct
News & Media
Science
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
Even Ford may close in on GM.
News & Media
Then they close in.
News & Media
Wealth's walls close in.
News & Media
Nominations close in February.
News & Media
(It may close in August).
News & Media
Then the Indians would close in.
News & Media
"Haven't even come close in some cases".
News & Media
The two are close in age.
News & Media
"It was very close in the end.
News & Media
Security guards began to close in.
News & Media
So Tempelhof will probably close in October.
News & Media
Expert writing Tips
Best practice
Use "close in" to create a sense of impending action or increasing pressure in your writing. For example, "As the deadline closed in, the team worked tirelessly."
Common error
Avoid using "close in" to describe static or unchanging subjects. "The building closes in" is awkward; instead, use it for dynamic actions like "The police closed in on the suspect."
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
Close in primarily functions as a phrasal verb. It describes actions of approaching, surrounding, or the nearing of a deadline. Ludwig highlights its versatility across contexts, reinforcing its grammatical role in conveying movement or temporal proximity.
Frequent in
News & Media
70%
Science
15%
Formal & Business
5%
Less common in
Academia
3%
Wiki
2%
Social Media
1%
Ludwig's WRAP-UP
In summary, "close in" functions as a versatile phrasal verb signifying approach, encirclement, or the nearing of a deadline. Ludwig's analysis confirms its correct grammatical standing and its frequent usage across various contexts, predominantly in news and media. To maximize clarity, avoid applying it to static subjects. The guidance suggests it is important to avoid common errors and appreciate its nuanced application. This ensures effective communication whether describing physical proximity or temporal urgency.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
draw nearer
Implies a gradual approach, often emphasizing reduced distance.
encircle
Focuses on the act of surrounding or forming a circle around something.
surround
Similar to encircle but can also mean to generally be all around something.
converge
Highlights the meeting or joining of multiple entities at a single point.
move closer
A simple and direct way of expressing reduced distance.
approach
General term for moving closer; lacks the intensity of "close in".
encroach upon
Suggests a gradual intrusion or infringement.
gather around
Emphasizes the collective gathering of individuals near a central point.
narrow the gap
Refers to reducing a distance or difference, often in a competitive context.
come to an end
Indicates the approaching termination of a period or event.
FAQs
How is "close in" used in a sentence?
"Close in" is a phrasal verb used to describe the act of drawing nearer, often implying encirclement or the approach of a deadline. For instance, "The detectives began to "close in" on their prime suspect".
What does "close in" mean when referring to dates?
When referring to dates, "close in" signifies that a deadline or specific date is approaching rapidly. For example, "The application deadline is "closing in" fast".
Are there alternative phrases to "close in" that convey a similar meaning?
Yes, you can use alternatives such as "draw nearer" when describing physical proximity or "approach" for deadlines or events.
How does the meaning of "close in" change based on context?
The meaning shifts subtly depending on the context. In a tactical situation, it means to encircle or reduce the area, while in a temporal context, like deadlines, it signifies an impending end or limit.
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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