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
ill appearing
Grammar usage guide and real-world examplesUSAGE SUMMARY
"ill appearing" is a correct and usable phrase in written English.
It can be used to describe someone who looks ill, or who is not especially attractive or inviting in appearance. Example: The old man had an ill appearing visage, and an unkempt beard.
✓ Grammatically correct
Science
News & Media
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
3 human-written examples
A total of 833 infants did not meet criteria for FWLS, 386 with significant PMH, 355 who were afebrile, 37 who were ill appearing, 29 with a focal exam, and 26 that had incomplete medical records.
Science
Specific exclusion criteria for the study included: (1) severe memory loss or impaired orientation, and; (2) acutely ill appearing.
Science
CSF = cerebral spinal fluid, mg/dl = milligram/deciliter, WBCs = white blood cells On evaluation at our institution the patient was ill appearing and nauseated with a severe frontal headache that radiated to the occiput.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Patients' severity of illness while critically ill appears to increase the level of long-term sleep dysfunction experienced.
Science
How many of us qualify as mentally ill appears to have more to do with how you count than with how many diagnoses are available.
News & Media
The researchers warn that the emotional strain of negative experiences, such as getting divorced or being ill, appear to be exacerbated by being poor.
News & Media
Baker Salsbury, the town's director of health and social services, said those who became ill appeared to have an intestinal virus, "based on the severity and the extent to which it has been communicated".
News & Media
Further evaluation of echocardiographic variables, particularly left ventricular end-systolic volume, for risk stratification in the critically ill appears warranted.
Science
Further evaluation of echocardiographic variables, particularly increased LVESV, for risk stratification in the critically ill appears warranted.
Science
In fact, the major gastrointestinal motility disorders in the critically ill appear to occur in the antral-pyloro region of the stomach.
Science
This blunted EPO response observed in the critically ill appears to result from inhibition of the EPO gene by inflammatory mediators [ 20, 21].
Science
Expert writing Tips
Best practice
Use "ill appearing" to describe someone whose appearance suggests they are sick or unwell. It's more formal than simply saying they 'look sick'.
Common error
Avoid using "ill appearing" when you mean 'evil-appearing' or 'bad-looking' in a moral sense. "Ill" refers specifically to health or well-being.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "ill appearing" functions primarily as an adjective phrase modifying a noun (usually a person or animal) to indicate their apparent state of health. Ludwig AI confirms this is a correct phrase.
Frequent in
Science
67%
News & Media
33%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "ill appearing" is a grammatically correct, though somewhat uncommon, adjective phrase used to describe someone or something that looks unwell. Ludwig AI confirms this. Predominantly found in science-related articles and news reports, the phrase carries a neutral to formal tone. While less frequent than simpler alternatives, "ill appearing" offers a specific and professional way to describe a person's apparent health condition. It's important not to confuse it with terms describing moral qualities or attractiveness. Alternative phrases include "unwell appearing" and "sickly looking".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
unwell appearing
Synonymous, uses "unwell" instead of "ill".
unhealthy appearance
Focuses on the aspect of lacking health.
not looking healthy
More descriptive and less direct.
sickly looking
Emphasizes a look suggestive of sickness.
looking peaky
Informal, mostly British English, suggesting slight illness.
having a wan look
Emphasizes a pale and tired appearance.
in poor condition
Highlights the deteriorated state.
not in good shape
General term for poor condition, less specific to health.
of unsound appearance
More formal, focusing on the instability of appearance.
poorly presented
Shifts focus to the negative presentation of someone or something.
FAQs
How can I use "ill appearing" in a sentence?
You can use "ill appearing" to describe someone who looks sick or unhealthy. For example, "The patient was "ill appearing" and had a shortened speech pattern."
What does "ill appearing" mean?
"Ill appearing" describes someone who looks unwell or gives the impression of being sick. It's a more formal way of saying someone looks sick.
What are some alternatives to "ill appearing"?
Alternatives include "sickly looking", "unhealthy appearance", or "unwell appearing". The best choice depends on the specific context.
Is "ill appearing" a common phrase?
"Ill appearing" is not as common as simpler alternatives like 'looking sick'. It's more often used in formal or medical contexts.
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
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested