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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
has fallen ill
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'has fallen ill' is correct and usable in written English.
It can be used to indicate that someone has become sick, usually in a more serious way than the casual phrase "not feeling well." For example: "I'm afraid that John has fallen ill and won't be able to join us for dinner tonight."
✓ Grammatically correct
News & Media
Formal & Business
Academia
Alternative expressions(8)
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
55 human-written examples
11 War Crimes Judge is Ill Richard May, the British judge who presides over the war crimes trial of Slobodan Milosevic, has fallen ill, adding a serious new setback to the two-year-old process, which has been plagued with difficulties from the start.
News & Media
"Here, everyone has fallen ill with alcohol".
News & Media
The Dowager Countess has fallen ill.
News & Media
So far, no one has fallen ill.
News & Media
No one has fallen ill there so far.
News & Media
Unfortunately, Kuti has fallen ill and has had to postpone his area appearances.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
5 human-written examples
Scores more have fallen ill from the respiratory illness.
News & Media
"I had fallen ill.
News & Media
More than 200 people had fallen ill.
News & Media
"My wife had fallen ill.
News & Media
Employees claimed three workers had fallen ill.
News & Media
Expert writing Tips
Best practice
Common error
Avoid using "has fallen ill" in informal contexts or when describing minor ailments. It can sound overly formal or create unnecessary alarm. Instead, opt for more casual phrases like "not feeling well" or "under the weather".
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has fallen ill" functions as a stative verb phrase, indicating a state of being (illness) that someone has entered into. As Ludwig AI confirms, the phrase is correct and frequently used in English.
Frequent in
News & Media
75%
Formal & Business
15%
Academia
10%
Less common in
Science
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "has fallen ill" is a grammatically sound and widely used phrase to describe someone becoming sick, often implying a more serious or sudden onset of illness. As Ludwig AI indicates, it's a valid and frequently used expression. Its usage spans across various contexts, with a prevalence in news and media. When writing, consider the audience and context to determine if "has fallen ill" is the most appropriate choice, or whether a synonym like "is sick" or "is unwell" would be more suitable. The authoritative sources and common usage patterns affirm its place in standard English.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
has become sick
Uses a more general term 'sick' instead of 'ill', indicating a broader range of ailments.
has taken sick
Emphasizes the act of becoming sick, slightly more informal.
is unwell
A more formal and general way of saying someone is not well.
is indisposed
A very formal way to indicate a temporary illness or disinclination.
is ailing
Implies a prolonged or chronic illness.
has contracted an illness
Highlights the acquisition of a specific disease or ailment.
is suffering from an illness
Emphasizes the experience of dealing with an ongoing illness.
has been struck down with illness
Suggests a sudden and debilitating onset of illness.
is not feeling well
A more casual way of indicating mild sickness.
is under the weather
An idiomatic expression for feeling slightly unwell.
FAQs
How to use "has fallen ill" in a sentence?
Use "has fallen ill" to describe a situation where someone has become sick, often unexpectedly or seriously. For example, "The CEO "has fallen ill" and will be taking a leave of absence".
What can I say instead of "has fallen ill"?
You can use alternatives like "has become sick", ""is unwell"", or "is ailing" depending on the context and the level of formality you want to convey.
Which is correct, "has fallen ill" or "has became ill"?
"Has fallen ill" is the correct phrase. "Fallen" is the past participle of "fall", which is the correct verb form to use with "has" to indicate a completed action. "Became" is the past simple form of "become".
What's the difference between "has fallen ill" and "is sick"?
"Has fallen ill" is generally perceived as more formal and can imply a more serious or sudden onset of illness. "Is sick" is a more general and commonly used term to describe someone who is not well.
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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
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested