as in improper
without permission; not authorized
an unauthorized use of government vehicles Unauthorized personnel are not allowed in the building.
Related Words
Relevance
Dissimilar Words
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of unauthorized
The initial draft said beat reporters would have to sign a pledge to not obtain or use unauthorized material, even if the information is unclassified, essentially turning reporters into Pentagon PR representatives.
—
Brian Stelter, CNN Money, 8 Oct. 2025
Regularly check your financial accounts for unusual or unauthorized activity.
—Madhusree Mukerjee, Scientific American, 8 Oct. 2025
The lawsuit alleges defamation and unauthorized use of his name and likeness in connection with the last two seasons.
—Madeleine Marr, Miami Herald, 7 Oct. 2025
Roberts is charged with third-degree unauthorized use of a vehicle in New York City, which was dismissed the following year, according to DHS.
—Meredith Deliso, ABC News, 6 Oct. 2025
See All Example Sentences for unauthorized
Brian Stelter, CNN Money, 8 Oct. 2025
Regularly check your financial accounts for unusual or unauthorized activity.
—Madhusree Mukerjee, Scientific American, 8 Oct. 2025
The lawsuit alleges defamation and unauthorized use of his name and likeness in connection with the last two seasons.
—Madeleine Marr, Miami Herald, 7 Oct. 2025
Roberts is charged with third-degree unauthorized use of a vehicle in New York City, which was dismissed the following year, according to DHS.
—Meredith Deliso, ABC News, 6 Oct. 2025
See All Example Sentences for unauthorized
Recent Examples of Synonyms for unauthorized
Adjective
-
This investigation suggests that some treasury company activity may involve improper information sharing or insider trading rather than genuine institutional adoption.—
Boaz Sobrado,
Forbes.com,
6 Oct. 2025
-
Another major violation would be improper cooling.—
Camila Pedrosa,
Sacbee.com,
5 Oct. 2025
Adjective
-
In a recent interview with the BBC World Service, Machado voiced support for the international coalition’s efforts in the Caribbean, framing them as essential to cutting off illicit revenue to the Maduro regime.—
Shane Croucher,
MSNBC Newsweek,
10 Oct. 2025
-
Their function, Milic said, was to illicit wonder and curiosity.—
Richard Ruelas,
AZCentral.com,
4 Oct. 2025
Adjective
-
Louisville police say anything that goes into the air or explodes is illegal for average citizens.—
James Bruggers,
The Courier-Journal,
5 July 2017
-
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
-
The tort of battery, meaning unlawful and harmful physical contact, and intentional infliction of emotional distress, which refers to using extreme conduct to terrorize another, are potential claims.—
Michael McCann,
Sportico.com,
6 Oct. 2025
-
Hoping to keep the Solar for All program on track, the group has asked a jury to declare the program's termination unlawful and issue an injunction requiring the EPA to reinstate the program.—
Ashley Belanger,
ArsTechnica,
6 Oct. 2025
Adjective
-
The campaign slammed her words and accusations as inappropriate and untrue.—
Washington Examiner Staff,
The Washington Examiner,
10 Oct. 2025
-
There were a small number of other inappropriate language complaints and of him being in a state of undress.—
Jake Kanter,
Deadline,
10 Oct. 2025
Adjective
-
This is an unacceptable physical and emotional power dynamic, even in a fantasy.—
USA Today,
USA Today,
10 Oct. 2025
-
Anything less than the protection of creators and their rights is unacceptable.—
Erik Hayden,
HollywoodReporter,
9 Oct. 2025
Adjective
-
Also endangering the family name and business is a crooked deal made by Byron Hedges (Jack Gleeson), an illegitimate cousin helping Guinness expand into America, that promises 15% of all American profits to the Fenian Brotherhood.—
Lynsey Eidell,
PEOPLE,
27 Sep. 2025
-
The play’s serious depiction of class politics and illegitimate birth were considered shocking by contemporary audiences.—
Emily Zarevich,
JSTOR Daily,
11 Sep. 2025
Cite this Entry
“Unauthorized.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unauthorized. Accessed 13 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share