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
Monitor your account activity and report any suspicious or unauthorized transactions.
—
Kurt Knutsson, FOXNews.com, 17 June 2025
And the legislative package would also reduce federal funding to cover Medicaid costs in states that provide coverage to unauthorized immigrants using only their own funds.
—Simon F. Haeder, The Conversation, 13 June 2025
Douglas clarified company officials noticed unauthorized activity in its systems on June 5 and investigated whether it was isolated.
—Anthony Robledo, USA Today, 13 June 2025
Another 1,200 foreign award recipients who were already approved to come to the U.S. are undergoing an unauthorized review process that could lead to their rejection, the board members said.
—Cheyanne Mumphrey, Christian Science Monitor, 12 June 2025
See All Example Sentences for unauthorized
Kurt Knutsson, FOXNews.com, 17 June 2025
And the legislative package would also reduce federal funding to cover Medicaid costs in states that provide coverage to unauthorized immigrants using only their own funds.
—Simon F. Haeder, The Conversation, 13 June 2025
Douglas clarified company officials noticed unauthorized activity in its systems on June 5 and investigated whether it was isolated.
—Anthony Robledo, USA Today, 13 June 2025
Another 1,200 foreign award recipients who were already approved to come to the U.S. are undergoing an unauthorized review process that could lead to their rejection, the board members said.
—Cheyanne Mumphrey, Christian Science Monitor, 12 June 2025
See All Example Sentences for unauthorized
Recent Examples of Synonyms for unauthorized
Adjective
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Before then, an officer could only cite you for using your phone after you had been pulled over for another offense, such as speeding or an improper lane change.—
Miami Herald Archives,
Miami Herald,
20 June 2025
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In 2023, auditors found A1’s Frederick County branch engaged in improper scheduling and monitoring.—
Glynis Kazanjian,
Baltimore Sun,
18 June 2025
Adjective
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The Treasury Department on Wednesday sanctioned five key leaders of the Mexican crime syndicate Cartel de Jalisco Nueva Generacion, which is responsible for trafficking fentanyl and other illicit drugs into the United States.—
David Zimmermann,
The Washington Examiner,
18 June 2025
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The coordinated effort focused on five hotspots in Fort Worth where violent crime, fueled by the trafficking of illicit drugs and firearms, has flared.—
Emerson Clarridge,
Fort Worth Star-Telegram,
18 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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Nonetheless, this latest ruling may embolden such plaintiffs in California and elsewhere to assert unlawful discrimination claims with greater confidence and, perhaps, greater frequency.—
Dan Eaton,
San Diego Union-Tribune,
16 June 2025
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She was convicted in 1995 on nine charges, including conspiracy to remove body parts and unlawful authorization of the removal of eyes, hearts, lungs and brains from corpses.—
Bryan Alexander,
USA Today,
16 June 2025
Adjective
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Still, Hinge, as part of Match Group, is using AI for coaching features that help users improve their profile, choose better photos, and filter inappropriate messages before they’re sent.—
Sydney Lake,
Fortune,
26 June 2025
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The banning of a Chicago White Sox fan from Rate Field for inappropriate heckling of Arizona Diamondbacks second baseman Ketel Marte was a good first step, writes Paul Sullivan.—
Chicago Tribune,
Chicago Tribune,
26 June 2025
Adjective
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In April 2021, the European Commission proposed a draft of the Artificial Intelligence Act, aimed at introducing a system of AI classification based on risks to users (minimal, limited, high, unacceptable).—
Olena Orliuk,
Forbes.com,
17 June 2025
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Republicans have said the level of tax increases and additional funding measures in the budget is unacceptable.—
Olivia Olander,
Chicago Tribune,
16 June 2025
Adjective
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For years, Putin claimed that direct talks with Ukraine were impossible because President Volodymyr Zelensky’s government was illegitimate and, more important, Ukraine wasn’t a real country—merely a proxy for the American imperial project.—
Andrew Ryvkin,
The Atlantic,
16 June 2025
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Putin has insisted that Ukraine must replace its leadership through elections, describing Zelensky's rule as illegitimate.—
David Faris,
MSNBC Newsweek,
12 Apr. 2025
Cite this Entry
“Unauthorized.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unauthorized. Accessed 30 Jun. 2025.
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