as in improper
without permission; not authorized
an unauthorized use of government vehicles Unauthorized personnel are not allowed in the building.
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unauthorized
If a hacker tries to intercept the data, the system detects it immediately and blocks unauthorized access.
—
Kurt Knutsson, Cyberguy Report, FOXNews.com, 14 Apr. 2025
Still, the Tech Transparency Project report suggests that more must be done to prevent unauthorized drivers from delivering orders or shuttling riders.
—Clare Duffy, CNN Money, 14 Apr. 2025
The laws have become prominent tools in his effort to rapidly achieve major changes, including a pledged mass deportation of unauthorized immigrants.
—Henry Gass, Christian Science Monitor, 11 Apr. 2025
Companies must protect sensitive customer information shared through APIs from unauthorized access.
—Garri Galanter, Forbes.com, 8 Apr. 2025
See All Example Sentences for unauthorized
Kurt Knutsson, Cyberguy Report, FOXNews.com, 14 Apr. 2025
Still, the Tech Transparency Project report suggests that more must be done to prevent unauthorized drivers from delivering orders or shuttling riders.
—Clare Duffy, CNN Money, 14 Apr. 2025
The laws have become prominent tools in his effort to rapidly achieve major changes, including a pledged mass deportation of unauthorized immigrants.
—Henry Gass, Christian Science Monitor, 11 Apr. 2025
Companies must protect sensitive customer information shared through APIs from unauthorized access.
—Garri Galanter, Forbes.com, 8 Apr. 2025
See All Example Sentences for unauthorized
Recent Examples of Synonyms for unauthorized
Adjective
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Courts and Compliance In terms of the legal battles over Trump's moves, people widely rejected the administration's accusations of improper judicial interference.—
Gary Langer,
ABC News,
26 Apr. 2025
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Graham was arrested shortly before 4:45 p.m. and charged with engaging police in pursuit, operating an unregistered motor vehicle, improper use of a marker plate, operation without minimum insurance, unsafe passing and operating a motor vehicle without a license.—
Justin Muszynski,
Hartford Courant,
25 Apr. 2025
Adjective
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The proximity, combined with the abundance of recreational boats, makes illicit travel hard to detect, Brown explained.—
Sarah Rumpf-Whitten,
FOXNews.com,
22 Apr. 2025
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Drug overdoses have plagued California, as fentanyl — a synthetic opioid 100 times more potent than heroin — is often mixed in with other illicit street drugs.—
Lia Russell,
Sacbee.com,
21 Apr. 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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The lawsuit will argue that Trump's use of the International Emergency Economic Powers Act to enact tariffs on Mexico, Canada, and China is unlawful.—
Hannah Parry,
MSNBC Newsweek,
16 Apr. 2025
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The suit will argue that Trump’s use of the International Emergency Economic Powers Act, which grants the president increased powers during an economic emergency, to impose tariffs is unlawful and requires congressional approval.—
Elaine Mallon,
The Washington Examiner,
16 Apr. 2025
Adjective
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Mickey Rourke was removed from the Celebrity Big Brother UK house after further usage of inappropriate language.—
Armando Tinoco,
Deadline,
13 Apr. 2025
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Lewin has insisted there was nothing inappropriate about this visit.—
Nick Tabor,
Curbed,
11 Apr. 2025
Adjective
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Shapiro told reporters at a news conference on April 16 that regardless of the motivation for the crime, political violence must be condemned as unacceptable in our society.—
Riley Beggin,
USA Today,
18 Apr. 2025
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Any format that builds in a conflict of interest is unacceptable.—
Robert Greene,
Mercury News,
16 Apr. 2025
Adjective
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In January 2024, the work was sold to Geffen, seemingly on Sun’s behalf — Sun now says the sale was illegitimate.—
Rachel Corbett,
Vulture,
16 Apr. 2025
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They get snared into helping their private investigator friend Moby (Hung) track down kidnappers intent on capturing a young woman named Sylvia (Lola Forner), who turns out to be the illegitimate daughter of a Spanish count.—
ArsTechnica,
ArsTechnica,
7 Apr. 2025
Cite this Entry
“Unauthorized.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unauthorized. Accessed 30 Apr. 2025.
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