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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
are under observation
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are under observation" is correct and usable in written English.
It can be used in contexts where individuals, objects, or situations are being monitored or watched closely for a specific purpose. Example: "The patients in the hospital are under observation to ensure their recovery progresses as expected."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(16)
are being monitored
are being watched
are being scrutinized
is under observation
are under scrutiny
are being kept under surveillance
are subject to monitoring
are subject to assessment
are under test
are under question
are getting noticed
are being recognized
are gaining recognition
are currently being observed
are presently being studied
are currently under scrutiny
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
18 human-written examples
Five school-age children were pulled from classes and are under observation.
News & Media
The Americans have been working closely with Uzbek police agencies to share intelligence and to ensure that approaches to the base are under observation and armed guard.
News & Media
Last week, a nurse in Spain became the first known person to contract Ebola while in Europe and 16 people are under observation at a Madrid hospital.
News & Media
Mam and Dad are under observation by non-interventionist onlookers investigating the daily lives of people in this last street of its kind (ostensibly "from the council", they are actually scouting for specimens to inhabit a new "heritage" museum).
News & Media
In all, more than 50 people in Spain are under observation.
News & Media
Similarly certain substances are under observation for future regulation in the frame of the EU regulation on Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH).
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
The 'Hawthorne' effect is when observed participants change their behaviour due to being under observation.
Science
The Sharks announced he was under observation.
News & Media
Washington safety Curtis Williams was under observation at Stanford Hospital.
News & Media
Then Asta Nielsen suddenly remembers she is under observation.
News & Media
Another suspected case is under observation in Luis Razetti.
News & Media
Expert writing Tips
Best practice
When using "are under observation", ensure the context clearly indicates who or what is doing the observing. For example, specify "patients are under observation by medical staff" for clarity.
Common error
Avoid using "are under observation" without specifying the observer or the purpose of the observation. This can lead to ambiguity and confusion for the reader.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are under observation" functions as a predicate adjective, describing the state of a subject (people, objects, etc.) as being monitored or watched. Ludwig AI confirms that this phrase is correct and usable in written English.
Frequent in
News & Media
36%
Science
36%
Formal & Business
12%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "are under observation" is a grammatically sound and frequently used expression to indicate that someone or something is being monitored. As Ludwig AI pointed out, this phrase is appropriate for many contexts, particularly within news, scientific, and formal settings. When writing, ensure clarity by specifying who is doing the observing and the reason for the observation. While various alternatives exist, such as "are being monitored" or "are being watched", the best choice depends on the specific nuance you wish to convey.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are being monitored
Focuses on the act of monitoring without specifying the means.
are being watched
A more general term for being observed, without necessarily implying scrutiny.
are being scrutinized
Implies a more critical and detailed observation.
are under scrutiny
Similar to "are being scrutinized", but slightly more concise.
are being kept under surveillance
Suggests a more covert or security-oriented form of observation.
are under close inspection
Highlights the thoroughness of the observation.
are subject to monitoring
A more formal way of saying something is being observed.
are kept under review
Emphasizes the ongoing assessment and evaluation aspect.
are subject to assessment
Focuses on evaluating or judging something while observing.
are clinically monitored
Specifically refers to medical or clinical observation.
FAQs
How can I use "are under observation" in a sentence?
You can use "are under observation" to describe people, objects or situations that are being watched closely. For example: "The patients "are under observation" by the nurses" or "The experiment results "are under observation" by the research team".
What phrases can I use instead of "are under observation"?
Alternatives include "are being monitored", "are being watched", or "are being scrutinized". The best option depends on the specific context and the nuance you want to convey.
Is it correct to say "is under observation" instead of "are under observation"?
The correctness depends on the subject. Use "is" for singular subjects (e.g., "The patient "is under observation"") and "are" for plural subjects (e.g., "The patients "are under observation"").
What does it mean when someone says "they are under observation"?
It means that the person or group is being watched closely, usually for a specific reason, such as monitoring their health, behavior, or performance. The purpose and intensity of the observation can vary depending on the context.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested