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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
not authorized
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not authorized" is correct and usable in written English.
It can be used to indicate that someone does not have permission to access or perform a certain action. Example: "You will receive an error message stating that you are not authorized to view this document."
✓ Grammatically correct
News & Media
Science
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
59 human-written examples
It is not authorized.
News & Media
They were not authorized to speak publicly.
News & Media
"It's not authorized," he said.
News & Media
"We're not authorized to accept the money".
News & Media
We have not authorized any deal.
News & Media
She recommended recalls of defective products; recalls were not authorized.
News & Media
"I'm not authorized to work because of my status".
News & Media
Generally, bankruptcy courts are not authorized to conduct jury trials.
News & Media
They were not authorized to speak on the record.
News & Media
But Kelly is not authorized to clear Rodriguez.
News & Media
The economist was not authorized to speak publicly.
News & Media
Expert writing Tips
Best practice
In technical writing, use "not authorized" to clearly communicate access restrictions and prevent ambiguity. It's direct and easily understood.
Common error
Avoid using "not authorized" without specifying the domain or action. Instead of saying "This is not authorized", clarify with "This action is "not authorized" for your user group".
Source & Trust
83%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not authorized" functions primarily as an adjectival phrase, modifying a noun or pronoun to indicate a lack of permission or approval. Ludwig AI identifies it as grammatically correct and suitable for use across diverse contexts.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Wiki
5%
Reference
3%
Encyclopedias
2%
Ludwig's WRAP-UP
The phrase "not authorized" is a common and grammatically sound way to express a lack of permission or approval. Ludwig AI confirms its correctness and widespread usage, particularly in news and media, scientific literature, and formal business contexts. While alternatives like "unauthorized", "not permitted", and "not allowed" exist, "not authorized" provides a clear and direct way to indicate restrictions, though specificity regarding the scope of authorization enhances clarity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
unauthorized
Single word alternative, less formal.
not permitted
Indicates something is against the rules.
not allowed
Similar to not permitted, but slightly more general.
not sanctioned
Suggests a lack of official approval or endorsement.
not approved
Implies a failure to meet requirements for approval.
without authorization
Formal phrasing indicating the absence of permission.
not empowered
Highlights the lack of authority to perform an action.
not entitled
Focuses on the lack of a right or claim to something.
prohibited
Emphasizes a more formal or legal restriction.
not cleared
Suggests that something has not passed necessary security or approval checks.
FAQs
What does "not authorized" mean?
The phrase "not authorized" means lacking the permission or approval to do something. It indicates a restriction or prohibition.
What can I say instead of "not authorized"?
You can use alternatives like "unauthorized", "not permitted", or "not allowed" depending on the context.
How do I use "not authorized" in a sentence?
Use "not authorized" to indicate that someone or something lacks permission to perform an action. Example: "You are "not authorized" to access this area".
Is it better to use "unauthorized" or "not authorized"?
Both "not authorized" and "unauthorized" are correct, but "not authorized" is more formal and explicit. "Unauthorized" is a single word, which can be more concise.
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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
83%
Authority and reliability
4.6/5
Expert rating
Real-world application tested