unauthorized

adjective

un·​au·​tho·​rized ˌən-ˈȯ-thə-ˌrīzd 

: 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

The company said the unauthorized actor made changes to pages that appeared when some students and teachers were logged in through Canvas. —Kurt Knutsson, FOXNews.com, 11 May 2026

Lipa's legal team argued the unauthorized use of her likeness helped boost sales of Samsung televisions. —ABC News, 10 May 2026

Thus, removing and transporting a whale’s head without a permit could fall under prohibitions on unauthorized possession and transport. —Sam Zeveloff, STAT, 9 May 2026

Cerner Health, a third-party electronic medical record vendor, notified Atrium in December that patients’ personal or health information may have been accessed by an unauthorized party, Atrium said. —Charlotte Observer, 8 May 2026

Word History

First Known Use

1597, in the meaning defined above

Rhymes for unauthorized

• americanized
• anathematized
• collateralized
• contextualized
• conventionalized
• demilitarized
• demineralized
• departmentalized
• depersonalized
• industrialised
• industrialized
• materialised