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

These unsanctioned deployments can lead to data leakage, unauthorized access and compliance violations—problems that traditional security frameworks are not fully equipped to handle. —Sameer Malhotra, Forbes.com, 14 May 2025

From Washington to Newark, recent aviation mishaps are prompting Congress to scrutinize safety protocols, revealing a pattern of miscommunication, unauthorized flights, and technical failures. —Samantha-Jo Roth, The Washington Examiner, 14 May 2025

It's aimed at unauthorized immigrants but with repercussions beyond that issue. —Patrik Jonsson, Christian Science Monitor, 13 May 2025

The others are charged with complicity in the heist or the unauthorized possession of a weapon. —Juliette Jabkhiro, USA Today, 13 May 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