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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
mentally busy
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "mentally busy" is correct and usable in written English.
You can use it to indicate that someone is occupied mentally with something. For example, "He had been mentally busy all week preparing for his upcoming presentation."
✓ Grammatically correct
Academia
Wiki
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
4 human-written examples
In a previous blog entry, I outlined a study that found that under conditions of cognitive load (when you are mentally busy doing mutliple tasks), people were more likely to label a Black child as "aggressive" than they were a White child.
Thus, in Shelton and colleagues' study, the less biased participants may have actually been unable to pay full attention to the interaction itself because they were mentally busy making sure that they were in no way doing anything to make themselves come off as prejudiced.
In a previous blog entry, I summarized a study that found that under conditions of cognitive load (when you are mentally busy doing multiple tasks), people were more likely to label a Black child as "aggressive" than they were a White child.
You may fall asleep easier if you were physically or mentally busy throughout the day.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Stay mentally engaged.
Academia
They're really busy, mentally taxed, and making judgments quickly.
News & Media
"We did all these things to keep ourselves busy mentally and physically".
News & Media
But so much of the important groundwork is missing in this first episode that I found myself too busy mentally asking questions to actually laugh.
News & Media
When she's not busy mentally correcting everyone's grammar on Facebook, she's sharing tips, tricks and tales on her blog OliviaRoseKnows.com.
News & Media
By late in the afternoon people have checked out mentally, have gotten busy, left for the day, etc.
Wiki
It's been a busy few weeks mentally, spending time speaking to people who know me best, running through everything in terms of career and future.
News & Media
Expert writing Tips
Best practice
Use "mentally busy" to convey a state of active mental engagement, whether due to tasks, worries, or creative processes. It effectively communicates that someone's cognitive resources are occupied.
Common error
Avoid relying too heavily on "mentally busy" in formal contexts. Opt for more precise and sophisticated terms like "cognitively engaged" or "preoccupied with complex tasks" for a more professional tone.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "mentally busy" functions as an adjectival phrase modifying a noun or pronoun to describe a state of active cognitive engagement. As Ludwig AI's analysis confirms, it indicates that someone's mind is occupied with thoughts or tasks.
Frequent in
Academia
30%
News & Media
40%
Wiki
30%
Less common in
Formal & Business
0%
Science
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "mentally busy" is a grammatically sound and understandable phrase used to describe a state of cognitive engagement or preoccupation. Ludwig AI confirms its usability in written English. While it's suitable for general use, more formal alternatives like "cognitively engaged" or "preoccupied" may be preferable in professional or academic contexts. Although the phrase is not overly common, according to Ludwig's analysis of usage examples, it effectively communicates the idea of an active and occupied mind. The phrase appears in a mix of academic, news, and wiki sources.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
preoccupied
Implies a strong focus of attention, potentially to the exclusion of other thoughts.
engrossed in thought
Suggests deep involvement in thinking about something specific.
absorbed in thought
Similar to engrossed, but may also imply unawareness of surroundings.
deep in contemplation
Implies a more serious and reflective state of mental activity.
cognitively engaged
A more formal way of saying mentally active or involved.
mentally stimulated
Suggests the mind is being actively challenged and excited.
having a lot on one's mind
Indicates a state of worry or preoccupation with multiple concerns.
involved in mental tasks
Describes being engaged in activities that require thinking.
thinking intensely
Suggests a high level of mental effort and concentration.
concentrating hard
Implies focusing mental effort to overcome difficulties or distractions.
FAQs
How can I use "mentally busy" in a sentence?
You can use "mentally busy" to describe someone who is preoccupied with thoughts or tasks, as in "She was too mentally busy with work to notice the time passing".
What are some alternatives to saying "mentally busy"?
Alternatives include "preoccupied", "engrossed in thought", or "cognitively engaged" depending on the specific nuance you want to convey.
Is "mentally busy" a formal or informal expression?
"Mentally busy" is generally considered a neutral expression suitable for both informal and moderately formal contexts. For highly formal writing, consider more precise alternatives.
What's the difference between "mentally busy" and "physically busy"?
"Mentally busy" refers to a state of cognitive engagement and preoccupation, while "physically busy" refers to being occupied with physical tasks or activities. Someone can be one without the other.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested