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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
not feeling well
Grammar usage guide and real-world examplesUSAGE SUMMARY
'not feeling well' is a correct and usable phrase in written English.
An example sentence would be "I'm sorry I cannot attend tonight, as I'm not feeling well."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
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
He added, "Not feeling well".
News & Media
Lissie is not feeling well.
News & Media
Jeannie's not feeling well".
News & Media
He's not feeling well".
News & Media
You're not feeling well?
News & Media
Not feeling well at all.
Charles (Samuel) Pierre is not feeling well.
News & Media
She's not feeling well today.
News & Media
"I am not feeling well," he said.
News & Media
And she is not feeling well herself.
News & Media
"My wife's upstairs not feeling well.
News & Media
Expert writing Tips
Best practice
When communicating that you are "not feeling well", be specific about the symptoms if further clarification is needed. For example, "I'm not feeling well; I have a headache and a fever."
Common error
While "not feeling well" is acceptable, avoid relying solely on this phrase in professional or medical contexts. Provide specific symptoms or reasons to ensure clear communication.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not feeling well" functions primarily as a declarative statement to express a state of poor health or discomfort. Ludwig AI confirms its usability. It serves to inform others about one's current physical condition.
Frequent in
News & Media
38%
Science
27%
Formal & Business
10%
Less common in
Wiki
8%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "not feeling well" is a common and grammatically correct way to express that someone is experiencing discomfort or illness. Ludwig AI validates its usability in various contexts. It appears frequently in news, scientific, and business sources, indicating its widespread acceptance. While versatile, providing additional details about specific symptoms can enhance clarity. Consider alternatives like "under the weather" or "feeling unwell" for nuanced communication. The phrase serves primarily to inform others about your health status and potentially request accommodations.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
feeling unwell
This phrase is a direct synonym, simply replacing 'not feeling' with 'feeling' and negating the 'well'.
sick
This is a straightforward and common term for being in poor health.
under the weather
This is an idiom that conveys a mild illness or feeling unwell.
a bit off
This suggests a mild feeling of being unwell or not quite right.
out of sorts
This idiom suggests a general feeling of discomfort or being slightly unwell.
not up to par
This idiom indicates that someone is not performing or feeling as well as usual.
poorly
This is a more concise way to express the same idea, indicating sickness or ill health.
ailing
This word implies a more prolonged or chronic state of being unwell.
indisposed
This is a more formal way of saying someone is slightly unwell and unable to perform their usual duties.
laid up
This implies being confined to bed or home due to illness.
FAQs
How can I politely say I am "not feeling well"?
You can use phrases like "under the weather", "a bit off", or "feeling unwell" depending on the context. These are generally considered polite ways to indicate you're sick without going into excessive detail.
What's the difference between "sick" and "not feeling well"?
"Sick" typically implies a more definitive illness. "Not feeling well" can encompass a broader range of discomfort, including mild symptoms or a general sense of unease that may not qualify as a full-blown illness.
Is it appropriate to use "not feeling well" in a formal email?
Yes, it's generally acceptable. However, in more formal situations, consider adding a brief explanation, such as "I am "not feeling well" and will be taking a sick day" or use the word "indisposed".
What are some alternative ways to say a child is "not feeling well"?
You could say they are "under the weather", "a bit poorly", or "not themselves today". These phrases are gentle ways to convey that a child is sick or uncomfortable.
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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
4.6/5
Expert rating
Real-world application tested