as in improper
without permission; not authorized
an unauthorized use of government vehicles Unauthorized personnel are not allowed in the building.
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Example Sentences
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Recent Examples of unauthorized
He was charged by the state on Oct. 30 with one count each of unauthorized elector attempting to vote and making a false affidavit for the purpose of securing voter registration, court records show.
—
Nick Lentz, CBS News, 1 June 2025
Luxury sellers are not immune, with Dior confirming its own breach, in which unauthorized parties access data from customers in regions like South Korea and China.
—Glenn Taylor, Sourcing Journal, 28 May 2025
The payment settles a lawsuit brought against MSU by Floris van Pallandt, owner of The Quiz Channel, for unauthorized use of the channel’s content.
—Andrew Lapin, Sun Sentinel, 27 May 2025
Nofziger warned that many times a customer support scammer can hide behind an unsolicited text message that suggests there is an unauthorized charge on your credit card or suspicious activity with your bank account.
—Susan Tompor, USA Today, 27 May 2025
See All Example Sentences for unauthorized
Nick Lentz, CBS News, 1 June 2025
Luxury sellers are not immune, with Dior confirming its own breach, in which unauthorized parties access data from customers in regions like South Korea and China.
—Glenn Taylor, Sourcing Journal, 28 May 2025
The payment settles a lawsuit brought against MSU by Floris van Pallandt, owner of The Quiz Channel, for unauthorized use of the channel’s content.
—Andrew Lapin, Sun Sentinel, 27 May 2025
Nofziger warned that many times a customer support scammer can hide behind an unsolicited text message that suggests there is an unauthorized charge on your credit card or suspicious activity with your bank account.
—Susan Tompor, USA Today, 27 May 2025
See All Example Sentences for unauthorized
Recent Examples of Synonyms for unauthorized
Adjective
-
An arrest does not constitute a finding of guilt: A 30-year-old woman from Naperville was arrested on two warrants and on charges of improper lane usage and criminal defacement of property at 2:27 a.m. May 25 in the 1500 block of Fairway Drive.—
Steve Metsch,
Chicago Tribune,
2 June 2025
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While a federal trade court ruled Trump's use of those powers was improper, an appeals court allowed the tariffs to remain temporarily in place while legal proceedings continue.—
Shane Croucher,
MSNBC Newsweek,
30 May 2025
Adjective
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That included Vásquez's organization, which was about to receive a four-year, $2.5 million grant to continue fighting illicit activity that affects Indigenous people in the region.—
Arkansas Online,
Arkansas Online,
8 June 2025
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Millions of low-cost devices for media streaming, in-vehicle entertainment, and video projection are infected with malware that turns consumer networks into platforms for distributing malware, concealing nefarious communications, and performing other illicit activities, the FBI has warned.—
Dan Goodin,
ArsTechnica,
6 June 2025
Adjective
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Louisville police say anything that goes into the air or explodes is illegal for average citizens.—
James Bruggers,
The Courier-Journal,
5 July 2017
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Official fireworks shows took place over the city, and illegal pyrotechnics lit up the sky everywhere in between.—
Lisa Beebe,
Los Angeles Magazine,
5 July 2017
Adjective
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In 2022, Hemphill pleaded guilty to unlawful parading, a misdemeanor charge that got her two months in prison, three years of probation and a $500 fine.—
Theresa Braine,
New York Daily News,
4 June 2025
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The man faces one count each of first-degree assault or attempted serious physical injury, armed criminal action, unlawful possession of a firearm, resisting arrest or detention by fleeing, and second-degree domestic assault.—
Caroline Zimmerman,
Kansas City Star,
4 June 2025
Adjective
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Both the city’s account and Mayor Quinton Lucas issued online apologies that night, agreeing that the post was inappropriate.—
Mike Hendricks,
Kansas City Star,
3 June 2025
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There can be a change to the list if a storm is so deadly or costly that the future use of its name on another would be inappropriate.—
Jordan King,
MSNBC Newsweek,
3 June 2025
Adjective
-
And sometimes the soldiers can do things which are totally unacceptable and can be called crimes.—
Isaac Chotiner,
New Yorker,
6 June 2025
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Shamkhani underscored that the absence of sanctions relief rendered the U.S. plan unacceptable.—
Amir Daftari,
MSNBC Newsweek,
5 June 2025
Adjective
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This secret-keeping tradition kept President François Mitterrand’s illegitimate daughter hidden for years.—
Saskya Vandoorne,
CNN Money,
27 May 2025
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Maduro, whose reelection last year to a third term has been condemned internationally as illegitimate, also has cracked down on his political opponents.—
Mark Sherman,
Chicago Tribune,
19 May 2025
Cite this Entry
“Unauthorized.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unauthorized. Accessed 15 Jun. 2025.
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