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 observations
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "under observations" is not correct in standard English; the correct form is "under observation." You can use it when referring to someone or something being monitored or watched closely, often in a medical or scientific context.
Example: "The patient is under observation for 24 hours to monitor their recovery after surgery."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(20)
being monitored
under observation
under scrutiny
under surveillance
subject to observation
closely watched
under study
subject to inspection
under review
under assessment
subject to surveillance
under supervised
under investigation
receiving ongoing care
under confirmed
under follow-up
followed clinically
under following
under the tracking
under followed
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
4 human-written examples
During the data collection the traffic on roads under observations was lower than the capacity of 5100 vph (i.e. 1700 x 3 lanes).
Mechanical and chemical inter-related responses under observations included thickness (th), elasticity (E), tensile strength (TS), sorption ability (S%) and kinetics of in-vitro drug release, specifically in terms of membrane time to burst (t B ) and duration of release (t R ).
Science
Two hundred and eighty eight female SHR mice were under observations.
Science
Then, (x, y ) is a conditional random field if random variables x v (∈ x ) follow the Markov property under observations y according to the graph G.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
The 'Hawthorne' effect is when observed participants change their behaviour due to being under observation.
Science
Nearly 400 remain under observation.
News & Media
Under observation Counted out Reprints.
News & Media
(She was hospitalised last night under observation).
News & Media
The Sharks announced he was under observation.
News & Media
When acquitted, he spent three months under observation in Bellevue Hospital.
News & Media
Washington safety Curtis Williams was under observation at Stanford Hospital.
News & Media
Expert writing Tips
Best practice
Always use the singular form "observation" when referring to the state of being watched or studied. Saying "under observation" is grammatically correct and widely accepted.
Common error
Don't use "observations" when you mean "observation" in the context of being watched or monitored. "Observations" refers to specific instances of noticing something, not the state of being observed.
Source & Trust
89%
Authority and reliability
3.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "under observations" (incorrect) or "under observation" (correct) functions as a prepositional phrase modifying a noun or pronoun. It describes the state of being watched or monitored. Ludwig AI indicates that the correct form is "under observation."
Frequent in
News & Media
38%
Science
38%
Encyclopedias
8%
Less common in
Formal & Business
0%
Reference
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, while the query phrase "under observations" appears in some texts, it's grammatically incorrect. The correct form is "under observation". Ludwig AI confirms this, advising the use of the singular noun. The phrase typically indicates a state of being watched or monitored, often in medical or scientific settings. Although sources like The Guardian and The New York Times provide examples, always ensure you use the grammatically correct singular form for clarity and precision. Alternatives include "being monitored" or "under scrutiny".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
being monitored
Emphasizes the act of tracking or overseeing something.
under surveillance
Implies a more secretive or security-focused form of observation.
subject to observation
A more formal and passive way of saying someone or something is being watched.
under scrutiny
Suggests a critical and detailed examination.
closely watched
Highlights the intensity and attentiveness of the observation.
under study
Specifically refers to a scientific or academic investigation.
subject to inspection
Suggests an official or regulatory examination.
under review
Indicates a formal assessment or evaluation is taking place.
under assessment
Focuses on evaluating the condition or performance.
under a microscope
Implies extremely close and detailed observation.
FAQs
Is "under observations" grammatically correct?
No, the correct phrase is "under observation". The noun should be in the singular form when referring to the state of being watched or monitored.
What does it mean to be "under observation"?
To be "under observation" means that someone or something is being watched closely, often for a specific purpose like medical monitoring or scientific study. It implies a period of scrutiny to gather information or assess a condition.
What are some situations where someone might be "under observation"?
People might be "under observation" in hospitals after surgery, in research studies to monitor behavior, or by law enforcement when suspected of a crime. The context determines the intensity and purpose of the observation.
What can I say instead of "under observations"?
Since "under observations" is incorrect, use "under observation". Alternatively, consider phrases like "being monitored" or "under scrutiny" depending on the specific meaning you want to convey.
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
89%
Authority and reliability
3.2/5
Expert rating
Real-world application tested