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
is flagged
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is flagged" is a correct and usable phrase in written English.
It is typically used to describe something that has been marked or identified for attention or further action. Example: The email was flagged as urgent and sent to the manager's inbox for immediate review.
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(6)
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
The vehicle is flagged for secondary inspection.
News & Media
Hare's didactic purpose is flagged up at every turn.
News & Media
At the other end, Lucas is flagged offside.
News & Media
Such a system is said to be inconsistent, and is flagged as an error.
Line 2: This line is flagged by making the first value negative.
Academia
If a page is linked to many other pages, it is flagged up as being important.
News & Media
Seattle's Heath Farwell is flagged for a personal foul to boot after the TD.
News & Media
The promotion is flagged on bags with banners that read: "Hey!
News & Media
Teachers can store screenshots of anything of concern that is flagged up by the software.
News & Media
Suspicious data is flagged and accepted or rejected using a visual screening procedure.
Science & Research
Even the subject line uses a zero instead of an "o" in "P0sition" in case that word is flagged.
Academia
Expert writing Tips
Best practice
Use "is flagged" when you want to indicate that something has been identified for further attention or action, especially due to a specific criterion or rule.
Common error
While "is flagged" is grammatically correct, it can sound overly formal or bureaucratic in casual conversations. Opt for simpler alternatives like "is marked" or "is noted" when communicating informally.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is flagged" functions as a passive verb construction, indicating that the subject is receiving the action of being 'flagged.' As Ludwig AI pointed out, it is a common and grammatically sound phrase.
Frequent in
News & Media
35%
Science
30%
Academia
25%
Less common in
Formal & Business
10%
Ludwig's WRAP-UP
In summary, the phrase "is flagged" is a grammatically sound and frequently used passive construction that signifies an item or piece of information has been marked for a specific reason. As Ludwig AI confirmed, the phrase is very common and correct. It is commonly found in news, scientific, and academic contexts, indicating a neutral to professional tone. While versatile, "is flagged" is best employed when conveying that something has been identified for further scrutiny or action.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is marked
Replaces "flagged" with a more general term for indicating something.
is identified
Focuses on the act of recognizing or pointing out something.
is designated
Emphasizes the assignment of a specific role or purpose.
is singled out
Highlights the act of choosing something from a group.
is noted
Offers a more subtle way of saying something has been observed.
is tagged
Uses a term common in digital contexts for categorization.
is labeled
Similar to "marked" but can imply a more formal classification.
is highlighted
Indicates emphasis or drawing attention to something.
is brought to attention
A more descriptive phrase emphasizing the act of making something noticeable.
is brought to someone's attention
It highlights the human element, focusing on the act of notifying an individual.
FAQs
How can I use "is flagged" in a sentence?
What's the difference between "is flagged" and "is marked"?
While both phrases indicate that something has been noted, "is flagged" often implies a more specific or automated system of identification, whereas "is marked" is a more general term. You could also use alternatives like "is identified" or "is designated".
What are some synonyms for "is flagged" in technical writing?
In technical writing, suitable synonyms for "is flagged" include "is designated", "is identified", or "is tagged". The choice depends on the specific nuance you want to convey.
When is it appropriate to use "is flagged" in formal writing?
The term "is flagged" is suitable in formal writing to denote something has been identified or marked for a specific purpose, often within a structured system or process. It is useful in formal writing, business communication, and scientific reports but in more informal context you can consider to use "is noted".
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