unauthorized

adjective

un·​au·​tho·​rized ˌən-ˈȯ-thə-ˌrīzd How to pronounce unauthorized (audio)
: not authorized : without authority or permission
an unauthorized biography
unauthorized communications
was unauthorized to act for her husband

Examples of unauthorized in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
On Weibo, where the trending topic generated over 150 million views as of Tuesday, speculation by netizens ranged from an alien UFO to an unauthorized drone or incoming meteorite. Micah McCartney, MSNBC Newsweek, 16 Sep. 2025 Round-the-clock monitoring for unusual credit card purchases With Zero Liability you won't be held responsible for unauthorized charges made with your card or account information. Jason Stauffer, CNBC, 16 Sep. 2025 Content that is properly labeled and encrypted can’t be uploaded or copied into unauthorized tools. Expert Panel®, Forbes.com, 15 Sep. 2025 Check medical statements and health insurance records for unauthorized activity as well. Liz Weston, San Diego Union-Tribune, 14 Sep. 2025 See All Example Sentences for unauthorized

Word History

First Known Use

1597, in the meaning defined above

Time Traveler
The first known use of unauthorized was in 1597

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Cite this Entry

“Unauthorized.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unauthorized. Accessed 18 Sep. 2025.

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