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
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At the top Plus Extended tier, Bitdefender watches for abuse of your SSN, reports unauthorized change of address events, and scans court records. PC Magazine, 7 June 2025 Reddit alleges that’s has been harmed by the unauthorized commercial use of its content. Ashley Capoot,jonathan Vanian, CNBC, 4 June 2025 Reddit, which completed its IPO in 2024 and is valued at roughly $22 billion, argued the unauthorized use of its content harms its business, users, and negotiating position. Hollie Silverman, MSNBC Newsweek, 4 June 2025 What happened adidas recently learned that an unauthorized external party gained access to certain customer data through a third-party customer service provider. Kurt Knutsson, FOXNews.com, 4 June 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 11 Jun. 2025.

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