is not authorised

USAGE SUMMARY

The phrase "is not authorised" is correct and usable in written English.
It can be used to indicate that someone does not have permission to perform a certain action or access specific information. Example: "Access to this confidential file is not authorised for anyone outside the management team."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

32 human-written examples

Journalists must pledge not to leak news that is not authorised for release.

The Economist

The letter notes savemedicare.org is not authorised to use the logo.

The Guardian

He spoke on condition of anonymity because he is not authorised to speak to reporters.

The Guardian

TfL says it has never heard of the company, which is not authorised to train people to drive public buses.

The Guardian - Money

The account is not authorised by the Cavaliers nor by James, the NBA MVP, says the Free Press.

The Guardian - Sport

A western official familiar with security in the region, who is not authorised to speak publicly on the matter, said Gizab was the most insecure district of Uruzgan.

The Guardian

Human-verified similar examples from authoritative sources

Similar Expressions

28 human-written examples

The cabinet's text states explicitly that it is not authorising the removal of any settlement, merely a detailed planning process.

The Economist

There's nothing that isn't authorised.

The Guardian - Arts

But this isn't "authorised blackmail".

The Guardian - Opinion

Website bestforeignexchange offered four cents more than Moneycorp, but we discounted it as it isn't authorised by the Financial Conduct Authority.

The Guardian - Money

He wished to remain anonymous because he isn't authorised to speak with the media.

Vice

Expert writing Tips

Best practice

Prefer the active form (e.g., "they do not authorize") when possible for directness.

Common error

Avoid using "is not authorised" with plural subjects. The correct form would be "are not authorised."

Linguistic Context

The phrase "is not authorised" primarily functions as a passive voice construction to indicate a lack of permission or official approval. As Ludwig AI indicates, the phrase is correct and usable in written English. Examples show it often describes actions, people, or entities that do not have the necessary endorsement.

Expression frequency: Uncommon

Frequent in

News & Media

62%

Science

23%

Formal & Business

15%

Less common in

Wiki

0%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "is not authorised" serves as a formal declaration of lacking official permission or approval. As Ludwig AI confirms, it's grammatically sound and appropriate for professional and informative contexts. The phrase appears most frequently in news and media sources, followed by scientific and business domains. Consider alternatives such as "is not permitted" or "is unauthorized" to adjust the level of formality. When using "is not authorised", ensure clarity regarding who or what withholds the authorization to prevent ambiguity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is unauthorized

Directly states the absence of authorization.

is not permitted

Emphasizes a lack of formal allowance or consent.

is not allowed

Highlights a prohibition or lack of authorization.

is prohibited

Suggests a formal ban or interdiction.

is not sanctioned

Implies a lack of official endorsement or approval.

lacks authorization

Emphasizes the absence of the necessary approval.

is not approved

Focuses on the absence of formal validation or acceptance.

is not endorsed

Highlights a lack of support or recommendation.

does not have permission

States explicitly the lack of consent to do something.

is not cleared

Indicates a failure to meet required approvals.

FAQs

What does "is not authorised" mean?

The phrase "is not authorised" means that something lacks official permission or approval. It indicates that a person, action, or item doesn't have the necessary endorsement to proceed or be valid.

When should I use "is not authorised" in my writing?

Use "is not authorised" when you want to clearly state that something lacks official permission or endorsement. It's suitable for formal writing and legal contexts.

What are some alternatives to "is not authorised"?

You can use alternatives like "is not permitted", "is not allowed", or "is unauthorized" depending on the specific nuance you want to convey.

Is there a difference between "is not authorised" and "is not allowed"?

While both phrases indicate a lack of permission, "is not authorised" often implies a more formal or official lack of endorsement, whereas "is not allowed" can be used in more general contexts.