unauthorized by

USAGE SUMMARY

The phrase "unauthorized by" is correct and usable in written English.
It can be used to indicate that something has not been approved or permitted by a specific person or organization. Example: "The document was deemed invalid as it was unauthorized by the board of directors."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

48 human-written examples

"Those scans are unauthorized by the authors".

The New York Times

"It's unauthorized by the statutes and of questionable legality at best.

The New York Times

Many more such outposts, unauthorized by the Israeli government, were built before March 2001.

The New York Times

Some of these payments were secret and were unauthorized by the board.

The New York Times

"Those scans are unauthorized by the authors". HathiTrust is the name of the partnership of libraries.

The New York Times

Although a few third-party adapters have appeared, some products are unauthorized by Apple and may not work properly.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

12 human-written examples

Anti-Dahlism has been further fuelled by a 1994 unauthorized biography, by the British writer Jeremy Treglown, which presents a complicated, domineering, and sometimes disagreeable man.

The New Yorker

Trespass: (1) unauthorized entry by defendant; (2) property possessed by plaintiff; and (3) injury (damage).

Harvard University

Abetting plagiarism or unauthorized collaboration by "sharing" your code is prohibited.

Princeton University

The airline has denied any wrongdoing or safety lapses, and cast any unauthorized signatures by its supervisors as inadvertent.

The New York Times

Reliant Resources, based in Houston, called it an "isolated situation" that stemmed from unauthorized actions by some traders.

The New York Times

Expert writing Tips

Best practice

Ensure the context clearly indicates whether the lack of authorization has legal, ethical, or procedural implications. This will allow you to enhance the precision of your message.

Common error

Avoid using "unauthorized by" without specifying who did not authorize the action. Vague statements can lead to confusion about responsibility and accountability.

Linguistic Context

The phrase "unauthorized by" functions as a post-positive modifier, specifying that an action, item, or process lacks the approval or sanction of a particular entity. Ludwig AI confirms its correct usage in written English.

Expression frequency: Common

Frequent in

News & Media

40%

Academia

30%

Science

15%

Less common in

Wiki

10%

Formal & Business

5%

Social Media

0%

Ludwig's WRAP-UP

In summary, "unauthorized by" is a versatile prepositional phrase used to indicate that something lacks the approval or permission of a specific entity. Ludwig AI confirms that the phrase is grammatically correct and usable in written English. It commonly appears in news, academic, and scientific contexts, highlighting its widespread applicability. When using "unauthorized by", ensure clarity by specifying the authorizing entity to avoid ambiguity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

not sanctioned by

Focuses on the lack of official approval or endorsement.

without the consent of

Highlights the absence of agreement or permission from a specific party.

lacking authorization from

Emphasizes the deficiency in formal permission.

not approved by

Directly states the absence of approval.

unsanctioned by

Similar to 'not sanctioned by' but with a slightly more formal tone.

without permission from

Highlights the absence of express consent.

unratified by

Suggests a lack of formal validation or confirmation.

not endorsed by

Focuses on the absence of support or recommendation.

unlicensed by

Emphasizes the lack of a required license or permit.

outside the authority of

Indicates an action or decision that exceeds the defined powers of a person or entity.

FAQs

How can I use "unauthorized by" in a sentence?

You can use "unauthorized by" to indicate that an action or decision was not approved or permitted by a specific person or entity. For example, "The use of these images was "unauthorized by" the copyright holder".

What are some alternatives to "unauthorized by"?

Alternatives include phrases like "not sanctioned by", "without the consent of", or "lacking authorization from", depending on the context.

Is it correct to say "unauthorized by"?

Yes, "unauthorized by" is a grammatically correct and commonly used phrase to indicate a lack of approval or permission.

What's the difference between "unauthorized by" and "not approved by"?

While similar, "unauthorized by" often implies a more formal or official lack of permission, whereas "not approved by" can be used in broader contexts.