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
The commission also found fellow trustee Bianka Hellmich received around 290,000 pounds ($385,000) of unauthorized funds for consultancy services.
—
ABC News, 16 June 2026
Chrystal Wilson, assistant superintendent, said intruders broke down a large section of the fence around the school and also damaged a seal at the main entrance of the building to get unauthorized access.
—Paula Wethington, CBS News, 15 June 2026
Isar officials attributed the problem to a delay earlier in the countdown caused by an unauthorized boat in restricted waters along the rocket’s flight path.
—Stephen Clark, ArsTechnica, 15 June 2026
The Amex Rewards Checking debit card offers zero liability fraud protection for unauthorized charges, as well as purchase protection.
—Andreina Rodriguez, CNBC, 15 June 2026
See All Example Sentences for unauthorized
ABC News, 16 June 2026
Chrystal Wilson, assistant superintendent, said intruders broke down a large section of the fence around the school and also damaged a seal at the main entrance of the building to get unauthorized access.
—Paula Wethington, CBS News, 15 June 2026
Isar officials attributed the problem to a delay earlier in the countdown caused by an unauthorized boat in restricted waters along the rocket’s flight path.
—Stephen Clark, ArsTechnica, 15 June 2026
The Amex Rewards Checking debit card offers zero liability fraud protection for unauthorized charges, as well as purchase protection.
—Andreina Rodriguez, CNBC, 15 June 2026
See All Example Sentences for unauthorized
Recent Examples of Synonyms for unauthorized
Adjective
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Experts say a lack of access to information and improper staff training are major barriers for blind travelers.—
Zach Wichter,
USA Today,
22 June 2026
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Although Ashley had alleged things like malice, ill-will and improper motives by Adam, that still fell short of proving that Adam knew that his statements were false.—
Jay Adkisson,
Forbes.com,
21 June 2026
Adjective
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The schemes involve a predator pretending to be a teenager online and tricking victims into sending illicit photos of themselves.—
Sarah N. Lynch,
CBS News,
17 June 2026
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Beyond the more familiar terrain of diabetics, IVF patients, people using hormone therapy, and intravenous users of illicit drugs, people have been turning themselves into lab rats for new wellness frontiers.—
Matthew Sedacca,
Curbed,
16 June 2026
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 filing, submitted in the San Diego County Superior Court, seeks a judge’s order to condemn and destroy the embargoed kratom products, halt ongoing unlawful manufacturing and impose civil penalties.—
Karen Garcia,
Los Angeles Times,
19 June 2026
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Justice Neil Gorsuch wrote in the court's opinion that unlawful drug use alone cannot be grounds to seek to send someone to prison and potentially force them to give up firearms for life.—
Devin Dwyer,
ABC News,
18 June 2026
Adjective
-
There really isn’t anything inappropriate about our relationship.—
Brande Victorian,
HollywoodReporter,
18 June 2026
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Perhaps the way the fictional characters behave is inappropriate, but that's what made the show so funny.—
Britt Hayes,
Entertainment Weekly,
17 June 2026
Adjective
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Warsh called that unacceptable and kept saying so.—
Eva Roytburg,
Fortune,
17 June 2026
-
This proposal is utterly unacceptable.—
Letters to the Editor,
The Orlando Sentinel,
17 June 2026
Adjective
-
Some fraudsters run an illegitimate DME company and get a doctor to prescribe the equipment.—
Janice Neumann,
Chicago Tribune,
16 June 2026
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After testing against other economic variables that may have contributed to higher costs, and comparing housing activity in high-fraud ZIP codes to low-fraud ones in the same county, the researchers found illegitimate PPP loans to be one of the core drivers of housing prices.—
Tristan Bove,
Fortune,
29 May 2026
Cite this Entry
“Unauthorized.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unauthorized. Accessed 24 Jun. 2026.
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