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

Residents have also voiced concerns about unauthorized people in other parts of the building. — Tim McNicholas, CBS News, 14 Aug. 2026

But at least 50 officers have been accused of or charged with using license-plate readers for unauthorized purposes, stalking women, according to a Washington Post investigation. — Emma Hinchliffe, Fortune, 13 Aug. 2026

The Washington Post reported earlier this month finding nearly 50 instances of police officers charged or accused of using the cameras for unauthorized purposes, many for tracking current or former romantic partners or family members. — Sarah Rankin, Chicago Tribune, 13 Aug. 2026

Another North Carolina officer faces a similar charge for conducting an unauthorized license plate search, the North Carolina State Bureau of Investigation said in July. — Jeanine Santucci, USA Today, 13 Aug. 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