unauthorized

adjective

un·​au·​tho·​rized ˌən-ˈȯ-thə-ˌrīzd How to pronounce unauthorized (audio)
Synonyms of unauthorizednext
: 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.
In 2022, LastPass confirmed that an unauthorized party accessed parts of its customer information through a third-party cloud storage service. Kurt Knutsson, FOXNews.com, 16 Dec. 2025 Abrahamson also made several money transfers and payments for unauthorized personal expenses, including to pay down credit card debt, read the indictment based on an IRS criminal investigation. Kevin Fixler, Idaho Statesman, 16 Dec. 2025 In a time where AI country singers are making the charts and vocal deepfakes run rampant, the Ensuring Likeness Voice and Image Security Act enacts protections for artists against unauthorized uses of their voice and likeness in deepfakes and digital replicas. Audrey Gibbs, Nashville Tennessean, 12 Dec. 2025 For Nike, choosing to work with an unauthorized sneaker vendor showed its determination to break free from legacy wholesale channels and redefine its China strategy — one that supports community-building initiatives, some that aren’t even focused on Nike. Denni Hu, Footwear News, 12 Dec. 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 19 Dec. 2025.

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