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
feeling ill
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "feeling ill" is correct and it can be used in written English.
For example, you might write: "I was feeling ill, so I stayed home from work."
✓ Grammatically correct
News & Media
Science
Wiki
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
56 human-written examples
Instead of sympathizing with Andrew, I tried to make him feel better about feeling ill.
News & Media
People take feeling ill seriously and want to feel better.
News & Media
Sot they're not feeling ill, so they don't feel the need to change anything".
I'm feeling ill.
News & Media
He began feeling ill.
News & Media
On Monday night, he reported feeling ill.
News & Media
The group was feeling ill.
News & Media
"I couldn't read that without feeling ill.
News & Media
No postal employees reported feeling ill.
News & Media
Suddenly feeling ill, within days he found himself paralysed.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
The Irish in particular have a good case for feeling ill-treated.
News & Media
Expert writing Tips
Best practice
When describing a specific ailment, follow "feeling ill" with details. For instance, "feeling ill with a fever" is more informative than just "feeling ill".
Common error
Avoid solely relying on "feeling ill" without specifying symptoms or the nature of the illness. Provide more context for clarity. Vague language can lead to confusion or misinterpretation.
Source & Trust
82%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "feeling ill" functions as a descriptive expression, indicating a state of being unwell. As Ludwig AI confirms, it's a valid and commonly used phrase. Examples show it used to describe temporary sickness or the onset of more serious conditions.
Frequent in
News & Media
58%
Science
23%
Wiki
12%
Less common in
Formal & Business
1%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "feeling ill" is a grammatically correct and widely used expression to describe a state of being unwell. As Ludwig AI states, its simplicity and neutrality make it appropriate for various contexts, ranging from casual conversation to news reports. While often used generally, specifying symptoms can provide greater clarity. Related phrases include "feeling unwell" and "feeling sick", offering similar but slightly varied connotations. With a "Very common" frequency and consistent usage across authoritative sources, "feeling ill" remains a reliable and effective way to communicate a state of sickness.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
feeling unwell
Similar meaning, slightly more formal.
feeling sick
More direct and common alternative.
not feeling well
Negated form, conveying a similar state.
under the weather
Idiomatic expression for mild illness.
laid up
Implies being confined due to illness.
ailing
A more formal and less common term.
poorly
Simple and direct synonym, focusing on general health.
suffering from
Highlights the experience of dealing with an illness.
out of sorts
Describes a general feeling of being unwell or not quite right.
indisposed
A formal way of saying one is unable to perform usual activities due to illness.
FAQs
What are some common synonyms for "feeling ill"?
You can use alternatives like "feeling unwell", "feeling sick", or "not feeling well" depending on the context.
How can I use "feeling ill" in a sentence?
Here's an example: "Because I was "feeling ill", I decided to stay home and rest." You can replace the reason with anything you want.
What's the difference between "feeling ill" and "being ill"?
"Feeling ill" describes the subjective experience of sickness, while "being ill" is a more general statement about one's state of health. You can feel ill without /s/being+ill being diagnosed with a specific condition.
Is "feeling ill" more formal or informal?
"Feeling ill" is generally considered neutral in tone. It's suitable for both casual and more formal contexts. Other options like "feeling unwell" can be perceived as slightly more formal.
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
82%
Authority and reliability
4.6/5
Expert rating
Real-world application tested