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

That incident led the mother to consult with others in the group, who revealed similar experiences of finding Judy in unauthorized parts of their homes. —Soo Kim, MSNBC Newsweek, 19 June 2025

Some say it’s intended to discourage unauthorized migration. —Jacqueline Charles, Miami Herald, 19 June 2025

Moreover, Twitter had initially introduced its verification systems after former professional baseball player and manager Tony La Russa sued the platform for allowing unauthorized accounts run by impersonators to use his name and likeness. —Peter Suciu, Forbes.com, 19 June 2025

Hamby claims the Aces told players and staff to cut off communicating with her, misrepresented when the team learned of her pregnancy and tried to gain unauthorized access into her health records. —Michael McCann, Sportico.com, 18 June 2025

Word History

First Known Use

1597, in the meaning defined above

Rhymes for unauthorized

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