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.
What Happens Next The FDA, CDC, and state health departments continue to monitor adverse event reports linked to unauthorized botulinum toxin products. Jenni Fink, MSNBC Newsweek, 5 Nov. 2025 At the conference, Johnson said claims against him included the unauthorized of use of a camera at his residence, berating a union employee and creating a hostile work environment. Adrienne Davis, jsonline.com, 5 Nov. 2025 The company said Perplexity wasn't operating transparently and is evading the company to gain unauthorized access to its store. Ashley Capoot,annie Palmer, CNBC, 4 Nov. 2025 Set up alerts for unusual activity and report any unauthorized charges to your financial institution immediately. Jan Diaz, USA Today, 4 Nov. 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 8 Nov. 2025.

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