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.
Kelowna airport officials said the unauthorized messages were removed and flight display systems restored, adding efforts to fully restore the PA system were ongoing. Martin Goillandeau, CNN Money, 15 Oct. 2025 According to the Defense Department’s press office, which outlined the new rules last month, reporters covering the Pentagon must sign a pledge not to obtain or use unauthorized material (even if the information is unclassified). Todd Spangler, Variety, 14 Oct. 2025 The state Democratic Party said the volunteer's materials were unauthorized and not in line with its values. Jessie Opoien, jsonline.com, 14 Oct. 2025 Videos and images circulating on social media show BASE jumpers leaping from El Capitan, unauthorized campers occupying closed campgrounds, and climbers scaling Half Dome’s cables without permits — all in violation of park regulations. Stepheny Price, FOXNews.com, 14 Oct. 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 Oct. 2025.

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