unauthorized

American  

[uhn-aw-thuh-rahyzd] / ʌnˈɔ θəˌraɪzd /

adjective

1. lacking permission; unsanctioned.

   unauthorized access.

2. lacking proper immigration or working papers: an unauthorized immigrant.

   an unauthorized worker;

   an unauthorized immigrant.

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unauthorized British  

/ ʌnˈɔːθəˌraɪzd /

adjective

1. not having official permission

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Sensitive Note

See illegal alien.

Etymology

Origin of unauthorized

First recorded in 1595–1600; un- ¹ ( def. ) + authorized ( def. )

Example Sentences

Someone gained unauthorized access to customer information from June of this year up until recently, including names, email addresses, phone numbers, and certain order information, according to the company.

From Barron's

Google is also named as a defendant in the lawsuit and is alleged to “knowingly acquiescing in, failing to remedy, and materially assisting the unauthorized access” into Ritter’s accounts despite being provided notice.

From Los Angeles Times

The other complaint characterized an unauthorized teach-in on Palestine, led by a dozen teachers, as biased “indoctrination” that excluded an Israeli perspective of the conflict.

From Los Angeles Times

The number of Mexican residents, both authorized and unauthorized, reached a high of nearly 13 million in 2007 before ebbing due to an improved economy in Mexico, a recession in America and enhanced border security.

From The Wall Street Journal

In a classified report titled “Crime Weapon: Drone,” the BKA has documented unauthorized drone incursions over military installations, defense-industry property and critical infrastructure, including airports.

From The Wall Street Journal

Related Words

• illegal
• illegitimate
• pirated
• unapproved
• unconstitutional
• unjustified
• unlawful
• unofficial
• unwarranted
• wrongful