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
undesirable activity
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "undesirable activity" is correct and usable in written English.
It can be used to describe actions or behaviors that are not wanted or are considered inappropriate in a given context. Example: "The company has implemented strict policies to discourage any undesirable activity among its employees."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
5 human-written examples
Hughes rightly told the Commons: "There is a whole sea of illegal and undesirable activity here".
News & Media
But setting up a commission to delve into that undesirable activity would be completely irrelevant.
News & Media
In the course of this study, we found that the polyamine derivatives exhibited strong hypotensive activity which was undesirable activity for neuroprotective agents.
We argue that it is impossible to perfectly self-protect systems without false positives due to the limited amount of information one might have at run-time and that eventually some undesirable activity will occur that will need to be rolled back.
Science
Herein, we systematically study the possible causes for this undesirable activity loss in 1,4-dioxane.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
On Thursday, Pakistan's Interior Ministry ordered Walsh to leave the country within seventy-two hours in view of supposed "undesirable activities".
News & Media
The action was taken "in view of your undesirable activities," the letter read.
News & Media
The plainclothes officer gave him a letter, according to the Times, which ordered Walsh to leave the country within seventy-two hours, "in view of your undesirable activities".
News & Media
"It is informed that your visa is hereby canceled in view of your undesirable activities," the order stated.
News & Media
The order read in full: "It is informed that your visa is hereby canceled in view of your undesirable activities.
News & Media
The accusation of undesirable activities, she wrote, "is vague and unsupported, and Mr. Walsh has received no further explanation of any alleged wrongdoing".
News & Media
Expert writing Tips
Best practice
When using "undesirable activity", be specific about what makes the activity undesirable to avoid ambiguity.
Common error
Avoid using "undesirable activity" as a catch-all term without providing specific details. Clearly articulate the specific nature of the activity and why it's considered undesirable to ensure clear communication.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "undesirable activity" functions as a noun phrase, where "undesirable" modifies the noun "activity". It's used to categorize actions that are considered unwanted or inappropriate in a specific context. Ludwig confirms that the phrase is usable in written English.
Frequent in
Science
40%
News & Media
40%
Formal & Business
20%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "undesirable activity" is a grammatically correct and usable term for describing actions or behaviors considered inappropriate or unwanted. As confirmed by Ludwig, while its use is not exceptionally common, it finds relevance across various domains, particularly in science, news, and formal business contexts. To ensure clarity, be specific when using the phrase, elaborating on the reasons for considering the activity undesirable. Alternatives such as "unwanted behavior" or "inappropriate conduct" can be used depending on the context. Overall, the phrase is a useful tool for objectively identifying and addressing problematic behaviors.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
unwanted behavior
Focuses on the behavioral aspect of the activity being unwelcome.
inappropriate conduct
Highlights the unsuitability of the behavior in a specific context.
unacceptable actions
Emphasizes that the actions are not permissible or tolerated.
detrimental practices
Focuses on the harmful consequences of the activities.
negative actions
A more general term for actions with adverse effects.
harmful behavior
Highlights the potential for causing damage or injury.
unethical practices
Focuses on the morality of the activity being questionable.
prohibited actions
Emphasizes that the activities are officially banned or forbidden.
illegal actions
Highlights that the activities are against the law.
misconduct
A broad term for improper behavior, often in a professional setting.
FAQs
How can I use "undesirable activity" in a sentence?
You can use "undesirable activity" to describe actions or behaviors that are not wanted or are considered inappropriate in a given context. For example: "The company has implemented strict policies to discourage any "undesirable activity" among its employees."
What can I say instead of "undesirable activity"?
You can use alternatives like "unwanted behavior", "inappropriate conduct", or "unacceptable actions" depending on the context.
Is "undesirable activity" a formal way to express something?
"Undesirable activity" is a relatively neutral term that can be used in both formal and informal contexts. Its formality depends more on the surrounding language and the specific situation.
What are some examples of activities that might be described as "undesirable activity"?
Examples of activities that might be described as "undesirable activity" include illegal actions, unethical practices, or any behavior that violates established rules or norms.
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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested