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
In parallel, a wave of litigation under privacy laws like Illinois’s Biometric Information Privacy Act (BIPA) is challenging the unauthorized use of our most personal data—our faces and voices.
—
Alice Xiang, Time, 6 May 2026
Enthusiastic fans snapped up premium seats on third-party sites, only to later discover their tickets were fake due to unauthorized resale.
—Lori Dimun, Chicago Tribune, 6 May 2026
This information can be used to create fake payment cards for unauthorized purchases.
—Greta Cross, USA Today, 6 May 2026
As of early April, ICE classified fewer than 20% of the unauthorized immigrants detained in Texas as criminals.
—Aileen Clarke, Houston Chronicle, 6 May 2026
See All Example Sentences for unauthorized
Alice Xiang, Time, 6 May 2026
Enthusiastic fans snapped up premium seats on third-party sites, only to later discover their tickets were fake due to unauthorized resale.
—Lori Dimun, Chicago Tribune, 6 May 2026
This information can be used to create fake payment cards for unauthorized purchases.
—Greta Cross, USA Today, 6 May 2026
As of early April, ICE classified fewer than 20% of the unauthorized immigrants detained in Texas as criminals.
—Aileen Clarke, Houston Chronicle, 6 May 2026
See All Example Sentences for unauthorized
Recent Examples of Synonyms for unauthorized
Adjective
-
Disease is more likely on plants weakened by stress, poor nutrition, sunburn, pests or improper pruning.—
Rita Perwich,
San Diego Union-Tribune,
2 May 2026
-
Agents need data to function, and silos both limit utility and elevate the risk of improper access.—
Jeffrey Sonnenfeld,
Fortune,
2 May 2026
Adjective
-
Unwilling to take orders or play by the rules of polite society, the two partner up as a bookmaker and his enforcer and run an illicit gambling operation that proves highly profitable — but dangerous.—
Anthony D'Alessandro,
Deadline,
4 May 2026
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Mixing or using it with alcohol, prescription drugs, or illicit substances can significantly slow breathing and lead to death.—
Matthew Rodriguez,
CBS News,
2 May 2026
Adjective
-
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
-
In February of this year, a district court ruled that DHS's third-country removal practices were unlawful, but the ruling was stayed pending the government's appeal, allowing the deportations to continue.—
Julia Ingram,
CBS News,
1 May 2026
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Evanston police initially detained five males, and three of them were later charged by the Cook County State’s Attorney’s Office on several felony and misdemeanor counts of drug and unlawful weapon possession.—
Claire Murphy,
Chicago Tribune,
30 Apr. 2026
Adjective
-
In a recent speech, Thomas tied the nation’s highest ideals to a conservative vision of limited government — and launched a broadside on progressivism seen by critics as unfair and inappropriate.—
Lindsay Whitehurst,
Los Angeles Times,
7 May 2026
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The complaint mentioned that the head coach had maintained an inappropriate relationship with a UAB student-athlete, which included the coach allegedly sleeping at the player's residence on different occasions.—
Trey Wallace OutKick,
FOXNews.com,
7 May 2026
Adjective
-
Our current contractor’s price proposal and timeline to finish the bridge was unreasonable and unacceptable.—
Katie Thomson,
Baltimore Sun,
6 May 2026
-
What happened was unacceptable.—
Teresa Liu,
Daily News,
4 May 2026
Adjective
-
Motta had been completely unaware that the accidents Garrison and Alfortish had brought her were illegitimate, Toomey insisted.—
Patrick Radden Keefe,
New Yorker,
13 Apr. 2026
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The only one that can be called truly illegitimate by global and historical standards is the claim to the whole of the South China Sea.—
Anatol Lieven,
Twin Cities,
10 Apr. 2026
Cite this Entry
“Unauthorized.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unauthorized. Accessed 8 May. 2026.
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