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

Someone with unauthorized access could potentially misuse that feature or simply respond manually while impersonating the account owner. — Kurt Knutsson, FOXNews.com, 1 Nov. 2026

The Institute for Justice documents scores of cases in which officers are accused of misusing ALPRs in ways besides stalking, including officers giving search results to unauthorized people. — Graham Hurley, CNN Money, 1 Nov. 2026

In 1994, a ballot initiative passed that would have barred unauthorized immigrants from public services and forced state employees to report those suspected of not having legal status. — Cindy Carcamo, Christian Science Monitor, 1 Nov. 2026

Many commenters call for his impeachment and removal, citing unauthorized military actions and poor leadership. — Noah Robertson, Washington Post, 1 Nov. 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