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.
Littlejohn pleaded guilty to the unauthorized disclosure of tax information and was sentenced to five years in prison in 2024. Kevin Rector, Los Angeles Times, 18 May 2026 OpenAI fielded complaints from users who reported unauthorized charges for ChatGPT subscriptions appearing on their bank statements. Gabriel Alin Zainescu, Forbes.com, 18 May 2026 Entrant agrees that Released Parties (as defined below) are not responsible for any unauthorized use of Entries by third parties. Tim McGovern, PEOPLE, 18 May 2026 Officials there have said that Iraqi army forces investigated reports of an unauthorized military force in the Nukhaib desert -- a barren area to the southwest of the cities of Karbala and Najaf -- in early March and came under fire while en route to the location. Arkansas Online, 16 May 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 21 May. 2026.

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