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
not authorized to
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not authorized to" is correct and usable in written English. You can use it when indicating that someone lacks permission or approval to perform a specific action. Example: "She is not authorized to access the confidential files." Alternative expressions include "not permitted to" and "not allowed to."
✓ 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
60 human-written examples
They were not authorized to speak publicly.
News & Media
"We're not authorized to accept the money".
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
That person was not authorized to talk about the investigation.
News & Media
"We are not authorized to go into the data.
News & Media
"They are not authorized to advertise on it".
News & Media
"I'm not authorized to be frustrated," he said gamely.
News & Media
Expert writing Tips
Best practice
Use "not authorized to" to clearly indicate a lack of permission or legal right to perform an action. This phrase is suitable for formal and professional contexts, ensuring clarity and avoiding ambiguity.
Common error
Avoid assuming that someone is "not authorized to" act based on incomplete information. Always verify the specific scope of their responsibilities and the limitations placed upon them to ensure your assertion is accurate.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not authorized to" functions as an adjective phrase modifying a verb in the infinitive form. It's used to express a lack of permission, power, or right to perform a specific action. Ludwig AI confirms its correct usage.
Frequent in
News & Media
40%
Formal & Business
30%
Science
20%
Less common in
Encyclopedias
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "not authorized to" is a versatile phrase used to indicate a lack of permission or legal right to perform an action. As Ludwig AI confirms, the phrase is grammatically correct and commonly used in formal contexts, particularly in News & Media, Formal & Business, and Science. When writing, it's essential to ensure that the assertion of lacking authorization is accurate and based on complete information. Alternative phrases like ""not permitted to"" or ""not allowed to"" can be used depending on the context. Overall, "not authorized to" is a valuable tool for expressing limitations and prohibitions clearly and effectively.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
not permitted to
This alternative uses "permitted" instead of "authorized", indicating a lack of formal allowance.
not allowed to
This alternative employs "allowed" instead of "authorized", suggesting a more general lack of permission.
prohibited from
This alternative uses "prohibited", indicating a formal ban or restriction.
forbidden to
This alternative uses "forbidden", suggesting a strong prohibition.
not entitled to
This alternative uses "entitled", indicating a lack of right or claim.
not empowered to
This alternative uses "empowered", suggesting a lack of delegated power or authority.
not sanctioned to
This alternative uses "sanctioned", implying a lack of official approval or endorsement.
not cleared to
This alternative uses "cleared", suggesting a lack of security clearance or approval for access.
without authorization to
This alternative rephrases the expression to emphasize the absence of authorization.
lacking the authority to
This alternative emphasizes the absence of the necessary power or right.
FAQs
How can I use "not authorized to" in a sentence?
You can use "not authorized to" to indicate that someone lacks the permission or right to perform a specific action. For example: "The staff is "not authorized to" access these files."
What's the difference between "not authorized to" and "not allowed to"?
"Not authorized to" often implies a formal lack of permission, usually from an official source or authority, while "not allowed to" is a more general term for lacking permission. For instance, an employee might be "not authorized to" speak to the press, but a child might be "not allowed to" eat candy before dinner.
Which is correct, "not authorized to" or "unauthorized to"?
Both phrases can be correct, but they have slightly different nuances. "Not authorized to" directly states the lack of authorization, while "unauthorized to" implies that something is being done without authorization. Often they can be used interchangeably, but "not authorized to" is typically clearer and more direct.
What can I say instead of "not authorized to"?
You can use alternatives like "not permitted to", "not allowed to", or "prohibited from" depending on the context.
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested