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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Recent Examples of unauthorized
In a notice confirming the breach, Plex says an unauthorized third party had gained access to a limited set of its customer data, which includes their emails, usernames, hashed passwords, and authentication data.
—
PC Magazine, 9 Sep. 2025
By requiring a secondary code sent to your phone or generated through an authenticator app, 2FA helps prevent unauthorized logins to your banking, email and trading accounts.
—Kurt Knutsson, FOXNews.com, 9 Sep. 2025
An analysis by Goldman Sachs showed that employment in industries in which more than ten per cent of the workforce is made up of unauthorized immigrants steeply declined over the summer.
—John Cassidy, New Yorker, 8 Sep. 2025
There’s tailgating and unauthorized merch and people in bucket hats.
—Alex Edelman, Rolling Stone, 8 Sep. 2025
See All Example Sentences for unauthorized
PC Magazine, 9 Sep. 2025
By requiring a secondary code sent to your phone or generated through an authenticator app, 2FA helps prevent unauthorized logins to your banking, email and trading accounts.
—Kurt Knutsson, FOXNews.com, 9 Sep. 2025
An analysis by Goldman Sachs showed that employment in industries in which more than ten per cent of the workforce is made up of unauthorized immigrants steeply declined over the summer.
—John Cassidy, New Yorker, 8 Sep. 2025
There’s tailgating and unauthorized merch and people in bucket hats.
—Alex Edelman, Rolling Stone, 8 Sep. 2025
See All Example Sentences for unauthorized
Recent Examples of Synonyms for unauthorized
Adjective
-
The prosecutor will ultimately decide whether the parents will be charged with improper storage and safekeeping of firearms or other potential crimes, Cappetto noted.—
Lauren Mascarenhas,
CNN Money,
9 Sep. 2025
-
However, there is consumer protection for defective merchandise or an improper charge.—
Mary Luquette,
USA Today,
9 Sep. 2025
Adjective
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Whelchel pointed to a series of text exchanges between Alam and his friends that appeared to paint Alam as a frequent user of illicit drugs like mushrooms and extacy.—
Harrison Mantas,
Fort Worth Star-Telegram,
12 Sep. 2025
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North was convicted in 1989 on three felony charges for helping to arrange the illicit sale of weapons to Iran and divert the proceeds to fund a secret war against anti-communist Contra rebels in Nicaragua.—
Josh Meyer,
USA Today,
11 Sep. 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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In November, jurors convicted Martinez of unlawful compensation and a related conspiracy charge.—
Douglas Hanks,
Miami Herald,
15 Sep. 2025
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The world’s highest court, the International Court of Justice, has ruled that there is a plausible risk of genocide in Gaza, and that Israel’s occupation and apartheid against Palestinians are unlawful.—
Chris Gardner,
HollywoodReporter,
12 Sep. 2025
Adjective
-
Some of my friends were pressured to send inappropriate pictures, contacted by strangers, and exposed to content way beyond our age.—
Annabelle Canela,
Parents,
12 Sep. 2025
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Businesses/nominees cannot obtain votes by any fraudulent or inappropriate means.—
Miami Herald,
Miami Herald,
12 Sep. 2025
Adjective
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This vile, heartless remark is completely unacceptable—especially from someone entrusted with our children.—
Amy DeLaura,
The Washington Examiner,
12 Sep. 2025
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What constitutes an unacceptable season for the Yankees these days, and how much does Boone bear responsibility when the team doesn't perform up to those standards?—
Jackson Roberts,
MSNBC Newsweek,
12 Sep. 2025
Adjective
-
The play’s serious depiction of class politics and illegitimate birth were considered shocking by contemporary audiences.—
Emily Zarevich,
JSTOR Daily,
11 Sep. 2025
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After the death of Stebbins (Garrett Wareing), the Major’s illegitimate son, Ray and Pete are the only Long Walkers left.—
Louis Peitzman,
Vulture,
11 Sep. 2025
Cite this Entry
“Unauthorized.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unauthorized. Accessed 17 Sep. 2025.
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