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
under investigation
Grammar usage guide and real-world examplesUSAGE SUMMARY
It is correct and usable in written English.
You can use it to describe a situation where a study or inquiry is being conducted in order to determine facts or information. For example: The criminal case is still under investigation by the police.
✓ Grammatically correct
News & Media
Alternative expressions(20)
being probed
subject to inquiry
currently being investigated
in the process of being investigated
being examined
subject to examination
under review
being looked into
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
during the previous years
it is important to remember
not yet completed
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
Repeat, not under investigation!
News & Media
The cause under investigation.
News & Media
That case is under investigation.
News & Media
The shootings remain under investigation.
News & Media
The shooting is under investigation.
News & Media
The crash remains under investigation.
News & Media
He is also under investigation.
News & Media
The accident is under investigation.
News & Media
The incidents remain under investigation.
News & Media
The motive remains under investigation.
News & Media
The case is under investigation.
News & Media
Expert writing Tips
Best practice
When writing in journalism, it's best to avoid conjecture or speculation until the official investigation is complete.
Common error
Avoid using "under investigation" for casual or informal inquiries. This phrase carries a serious tone and is best reserved for official matters. Use phrases like "looking into" or "checking out" for informal contexts.
Linguistic Context
The phrase "under investigation" functions as a predicate adjective, describing the state or condition of a noun (person, entity, event) that is the subject of an inquiry. As Ludwig AI confirms, this phrase is commonly used in formal contexts to indicate that an official examination is in progress.
Frequent in
News & Media
96%
Formal & Business
2%
Science
1%
Less common in
Wiki
1%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "under investigation" is a common and grammatically correct way to indicate that a subject is currently being examined through a formal inquiry. According to Ludwig AI, its primary use is in the news and media, where it conveys a neutral but serious tone. When using this phrase, it's important to reserve it for formal contexts, avoiding its application in casual conversation. Related phrases such as "being probed" or "subject to inquiry" can provide nuanced alternatives. Remember that "under investigation" suggests a potentially adversarial process, distinguishing it from the more general term "under review".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
currently being investigated
Indicates a present ongoing investigation.
in the process of being investigated
Adds emphasis on the process and action of investigating.
being probed
Replaces "investigation" with "probing", implying a detailed examination.
subject of a probe
Similar to "being probed" but with a slightly different structure.
subject to inquiry
Uses "inquiry" to indicate a formal investigation.
being scrutinized
Emphasizes close examination and potential fault-finding.
being examined
A more general term for investigation, implying a careful inspection.
subject to examination
Formal version of something that's being examined.
under review
Suggests a more general examination or assessment.
being looked into
An informal way of saying something is being investigated.
FAQs
How is "under investigation" typically used in a sentence?
The phrase "under investigation" is generally used to describe a person, entity, or situation that is the subject of a formal inquiry. For example, "The company is "under investigation" for alleged fraud."
What are some alternative phrases for "under investigation"?
You can use alternatives like "being probed", "subject to inquiry", or "being scrutinized" depending on the nuance you want to convey.
Is there a difference between "under investigation" and "under review"?
"Under investigation" typically implies a more formal and potentially adversarial process, often involving legal or regulatory bodies. "Under review" suggests a more general assessment or evaluation.
When is it appropriate to use "under investigation" in journalistic writing?
It's appropriate to use "under investigation" when reporting on a formal inquiry that has been officially announced or confirmed by relevant authorities. Ensure accuracy and avoid speculation until the investigation concludes.
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