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
called in sick
Grammar usage guide and real-world examplesUSAGE SUMMARY
'called in sick' is correct and usable in written English.
You can use this phrase when someone is unable to attend work, school, or other activities due to illness. For example, "I called in sick today because I have the flu."
✓ Grammatically correct
News & Media
Alternative expressions(20)
took a sick day
took sick leave
on medical leave
call in sick
took a sick leave
was on sick leave
went on sick leave
availed of sick leave
left work ill
called in to work
summoned to work
not reported to work
took a day off
was on leave
turned up for work
I've called in sick
I called in sick
I took a sick day
I was off sick
I was absent due to illness
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
I almost called in sick".
News & Media
She called in sick.
News & Media
I called in sick, and I called in sick again.
News & Media
She never called in sick.
News & Media
Or called in sick from a hangover?
News & Media
"A lot of people called in sick".
News & Media
They had both called in sick Tuesday.
News & Media
(Depressed, he had called in sick).
News & Media
She called in sick and took a few days off.
News & Media
"I wish I had called in sick," he told me.
News & Media
I'd called in sick for the first time in years.
News & Media
Expert writing Tips
Best practice
Be mindful of the audience. In formal communications, more precise language such as "took medical leave" might be more appropriate than the colloquial "called in sick".
Common error
Avoid using "called in sick" when you are taking a day off for reasons other than illness. Doing so can damage your credibility and lead to negative consequences at work or school.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "called in sick" functions as a verb phrase, specifically acting as a predicate in a sentence. It describes the action of notifying an employer or institution about one's inability to attend due to illness. Ludwig AI confirms that this phrase is correct and usable in written English.
Frequent in
News & Media
80%
Formal & Business
10%
Wiki
5%
Less common in
Science
2%
Social Media
2%
Reference
1%
Ludwig's WRAP-UP
In summary, "called in sick" is a common and grammatically correct phrase used to indicate an absence from work or school due to illness. Ludwig AI confirms its usability in written English. While versatile, it's essential to consider the context and audience, as more formal alternatives might be preferable in certain situations. The phrase is most frequently found in news and media sources, highlighting its prevalence in everyday communication. When writing, be sure to use the phrase accurately to maintain clarity and credibility.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
phoned in sick
Uses "phoned" instead of "called", implying the method of communication.
took a sick day
Focuses on utilizing a day allocated for sickness.
was off sick
Indicates a period of absence due to illness.
reported sick
Emphasizes the act of reporting one's illness.
claimed illness
Suggests a formal declaration of being unwell.
took sick leave
Refers to a formal leave of absence for medical reasons.
was absent due to illness
Provides a more formal explanation for the absence.
notified of illness
Focuses on the act of informing someone about the sickness.
been excused due to sickness
Emphasizes that absence has been permitted because of the illness.
on medical leave
Indicates a more extended period of absence for medical reasons.
FAQs
How do I use "called in sick" in a sentence?
You can use "called in sick" to indicate that someone has notified their workplace or school that they are unable to attend due to illness. For example, "I /s/called+in+sick today because I have a fever."
What are some alternatives to "called in sick"?
You can use alternatives like "phoned in sick", "took a sick day", or "was off sick" depending on the context.
Is it appropriate to use "called in sick" in a formal email?
While "called in sick" is widely understood, it may be more appropriate to use a more formal phrase like "took medical leave" or "was absent due to illness" in formal communication.
What's the difference between "called in sick" and "took a personal day"?
"Called in sick" implies the absence is due to illness, while "took a personal day" suggests the absence is for personal reasons, which may or may not include illness.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested