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
mostly busy
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "mostly busy" is correct and can be used in written English.
You can use it to describe an individual who has a lot of work to do or is usually preoccupied. For example, "My brother is mostly busy these days."
✓ Grammatically correct
News & Media
Science
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
7 human-written examples
Churchill was colonial secretary during much of this time, mostly busy with the 1921 partition of Ireland.
News & Media
The few other expatriates on the scene were mostly busy proselytizing, and there was little to do during the brutal winters but develop a taste for fermented mare's milk.
News & Media
For now, though, it's mostly busy working with event promoters and others to use its app.
News & Media
Since they are mostly busy with their works during working hours, the risk of such contamination is low.
Science
It would be no problem for low-priority messages to be scheduled for off-peak periods, effortlessly increasing revenue, while more urgent data could be squeezed into temporary lulls in mostly busy traffic.
News & Media
These investors are mostly busy running other companies – Yagan is the CEO of Match Group – but every once in a while (the thinking goes), one of them will have a business idea that they don't have the time or inclination to pursue on their own.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
Members of our caste are mostly business owners with very busy schedules, and therefore, they don't do anything to redress their situation.
News & Media
The impoverished were mostly too busy surviving.
News & Media
They didn't know why he had come and, as usual, they were mostly too busy to talk.
News & Media
BUSINESS IN VIETNAM -- Millions of Vietnam veterans passed through the dusty Tan Son Nhut airfield in Saigon, now Ho Chi Minh City, in the days when it was mostly a busy military base.
News & Media
But mostly the "busy one" buys his stuff from the Fras market in the centre of Gaza City, he says, bits and pieces for those who cannot afford to buy new things from the shops in a place where inflation is rampant and unemployment high.
News & Media
Expert writing Tips
Best practice
When describing someone's typical state, use "mostly busy" to convey they are generally occupied, but not necessarily overwhelmed.
Common error
Avoid using "mostly busy" when someone is experiencing a temporary surge in workload. "Mostly busy" suggests a habitual condition, not a short-term situation.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "mostly busy" functions as an adjectival phrase modifying a noun or pronoun. It describes the state of being occupied with tasks or activities for the majority of the time. Ludwig provides examples of this usage in various contexts.
Frequent in
News & Media
43%
Science
32%
Formal & Business
25%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "mostly busy" is a grammatically correct and commonly used expression to describe a state of being generally occupied. Ludwig's analysis shows that it functions as an adjectival phrase, conveying that someone is engaged in activities for a significant portion of their time. It is mostly found across News & Media and Science publications. Alternatives like "largely occupied" or "primarily engaged" can be used depending on the intended nuance. While "mostly busy" suggests a habitual condition, it's important to avoid using it for short-term situations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
largely occupied
Replaces "busy" with "occupied", focusing on the state of being engaged rather than the activity itself.
primarily engaged
Substitutes "busy" with "engaged", emphasizing the involvement in tasks or activities.
generally preoccupied
Replaces "busy" with "preoccupied", suggesting a mental absorption in tasks.
mainly active
Uses "active" instead of "busy", highlighting a state of doing things.
frequently tied up
Employs the idiom "tied up" to denote being busy, implying constraints on time and availability.
often working
Focuses specifically on the act of "working" as the primary occupation.
usually engrossed
Replaces "busy" with "engrossed", suggesting a deep level of involvement in activities.
typically occupied
Emphasizes that being occupied is the usual or expected state.
commonly involved
Highlights the frequent involvement in various activities or tasks.
mostly active
A simple variation using 'active' to suggest a state of busyness.
FAQs
How can I use "mostly busy" in a sentence?
You can use "mostly busy" to describe someone who is generally occupied with tasks or activities, like: "She is "mostly busy" with her work, but makes time for her family."
What are some alternatives to saying "mostly busy"?
Alternatives include "largely occupied", "primarily engaged", or "generally preoccupied", depending on the specific nuance you want to convey.
Is it correct to say "mostly busy"?
Yes, "mostly busy" is grammatically correct and understandable. It indicates that someone is occupied or engaged in activities for a significant portion of their time, according to Ludwig AI.
What's the difference between "mostly busy" and "always busy"?
"Mostly busy" implies that someone is occupied most of the time, but not constantly. "Always busy" suggests a continuous state of being occupied without any breaks or downtime.
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