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 While the military, including the National Guard, has been used in the past to bolster border security, deploying troops to arrest, detain and remove unauthorized migrants living far away from the U.S.-Mexico border would likely run up against legal challenges. Max Greenwood, Miami Herald, 24 May 2024 By law, you are entitled to be reimbursed for any unauthorized charges on your card. Jon Healey, Los Angeles Times, 23 May 2024 See all Example Sentences for unauthorized 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unauthorized.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1597, in the meaning defined above

Time Traveler
The first known use of unauthorized was in 1597

Dictionary Entries Near unauthorized

Cite this Entry

“Unauthorized.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unauthorized. Accessed 31 May. 2024.

More from Merriam-Webster on unauthorized

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