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.
Fans attending Sunday's FIFA World Cup match in Miami Gardens encountered gridlock, parking challenges and long walks as officials urged ticket holders to plan ahead and avoid unauthorized parking areas. Anna McAllister, CBS News, 22 June 2026 Residents of towns with data centers have reported contaminated water, low water pressure, and unauthorized siphoning, putting one of life’s essentials under threat. Jacqueline Munis, Fortune, 22 June 2026 Officers are also protecting access to the site from unauthorized vendors. Kendrick Calfee, Kansas City Star, 20 June 2026 São Paulo, BrazilCNN Brasil — An unauthorized alert bearing a mysterious message that was sent to cell phones in several states across Brazil on Saturday morning is suspected to be the work of hackers, the Brazilian government said. Mariana Catacci, CNN Money, 20 June 2026 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 3 Jul. 2026.

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