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
Advocates of strict border policing today typically divide noncitizens in the United States into two groups: regular immigrants and irregular (unauthorized) immigrants.
—
Made By History, Time, 26 Mar. 2025
Encryption stands as one of the most powerful tools in the network and cyber security arsenal, safeguarding data from breaches, cyber threats and unauthorized access.
—Srikanth Bellamkonda, Forbes.com, 26 Mar. 2025
Cloud software provider VMware is suing Siemens for allegedly pirating the company’s products through unauthorized downloads.
—Michael Kan, PC Magazine, 26 Mar. 2025
Police had discovered an unauthorized Chinese outpost in the basement of a restaurant in Glasgow in 2023.
—Cora Engelbrecht, The Atlantic, 25 Mar. 2025
See All Example Sentences for unauthorized
Made By History, Time, 26 Mar. 2025
Encryption stands as one of the most powerful tools in the network and cyber security arsenal, safeguarding data from breaches, cyber threats and unauthorized access.
—Srikanth Bellamkonda, Forbes.com, 26 Mar. 2025
Cloud software provider VMware is suing Siemens for allegedly pirating the company’s products through unauthorized downloads.
—Michael Kan, PC Magazine, 26 Mar. 2025
Police had discovered an unauthorized Chinese outpost in the basement of a restaurant in Glasgow in 2023.
—Cora Engelbrecht, The Atlantic, 25 Mar. 2025
See All Example Sentences for unauthorized
Recent Examples of Synonyms for unauthorized
Adjective
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Tony Bennett's daughters filed a new lawsuit in New York, claiming their brother abused his power of fiduciary duty and other improper and unlawful conduct, according to court documents obtained by Fox News Digital.—
Tracy Wright,
FOXNews.com,
2 Apr. 2025
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Lawsuits brought to appease Trump or punish his enemies are brought for an improper purpose.—
Josh Hammer,
MSNBC Newsweek,
1 Apr. 2025
Adjective
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For many years, China has been the largest source of both legal supplies of the drug – which is prescribed for severe pain relief – and illicit supplies of precursor chemicals that are typically processed in labs in Mexico before the final product is smuggled across the US border.—
Rhea Mogul,
CNN Money,
28 Mar. 2025
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In March 2025, more than 650,000 fentanyl pills were seized, following a record of $300 million worth of illicit fentanyl taken off the streets since 2023.—
Paul Du Quenoy,
MSNBC Newsweek,
27 Mar. 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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Federal workers, migrants and transgender troops are among the groups arguing that Trump’s policies are unlawful and will cause irreversible harm if not blocked.—
Bart Jansen,
USA Today,
5 Apr. 2025
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In January, a federal appeals court declared DACA unlawful, but kept the policy in place.—
Nidia Cavazos,
CBS News,
4 Apr. 2025
Adjective
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Is the ‘Minecraft’ movie inappropriate? Not particularly.—
Patrick Ryan,
USA Today,
4 Apr. 2025
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The league’s reason for not punishing Morant was understanding his intent behind the gesture wasn’t violent, but Morant was advised to refrain from using the inappropriate celebration.—
The Athletic NBA Staff,
New York Times,
4 Apr. 2025
Adjective
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Restaurants rated unacceptable must close to fix their issues and require reinspection prior to reopening.—
Lillie Davidson,
Fort Worth Star-Telegram,
26 Mar. 2025
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Americans heading into the 2026 and 2028 elections with a less secure system than in 2020 or 2024 is an unacceptable and avoidable step backward.—
Kevin Sabet,
Newsweek,
24 Mar. 2025
Adjective
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Meanwhile, an early Jewish polemic claimed that Jesus was the illegitimate son of a Roman soldier nicknamed Panther—perhaps employing a tasteless but pointed pun on the Greek word parthenos (virgin).—
Adam Gopnik,
The New Yorker,
24 Mar. 2025
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Ukraine and its Western allies have condemned those referendums, held in 2022, as illegitimate.—
Thomas G. Moukawsher,
Newsweek,
22 Mar. 2025
Cite this Entry
“Unauthorized.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unauthorized. Accessed 9 Apr. 2025.
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