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
At the same time, unauthorized drones over Barksdale Air Force Base in Louisiana triggered a lockdown at a facility housing nuclear-capable B-52 bombers.
—
Georgina Jedikovska, Interesting Engineering, 1 Apr. 2026
In an interview with Nashville’s WKRN News, the singer shrugged off the ongoing Army investigation of the aviators involved in the unauthorized flight, suggesting that the pilots have nothing to be worried about.
—Annie Harrigan, Billboard, 31 Mar. 2026
City staff also warned that canceling or rescheduling the event could lead to unauthorized fireworks use, increasing fire risk and demand for emergency services.
—Daniel Lempres, Sacbee.com, 30 Mar. 2026
An antivirus will prevent unauthorized apps and malware from compromising your system.
—Justyn Newman, PC Magazine, 27 Mar. 2026
See All Example Sentences for unauthorized
Georgina Jedikovska, Interesting Engineering, 1 Apr. 2026
In an interview with Nashville’s WKRN News, the singer shrugged off the ongoing Army investigation of the aviators involved in the unauthorized flight, suggesting that the pilots have nothing to be worried about.
—Annie Harrigan, Billboard, 31 Mar. 2026
City staff also warned that canceling or rescheduling the event could lead to unauthorized fireworks use, increasing fire risk and demand for emergency services.
—Daniel Lempres, Sacbee.com, 30 Mar. 2026
An antivirus will prevent unauthorized apps and malware from compromising your system.
—Justyn Newman, PC Magazine, 27 Mar. 2026
See All Example Sentences for unauthorized
Recent Examples of Synonyms for unauthorized
Adjective
-
What the report found In response to the allegations in Minnesota, Abbott issued six directives to the state workforce and human services commissions to identify if Texas had a problem with improper payments, specifically with fraud.—
Jess Huff,
Los Angeles Times,
27 Mar. 2026
-
Manufacturers, though, don’t have to comply if the breakdown is the result of neglect or improper modifications made by the consumer.—
Gray Rohrer,
Miami Herald,
27 Mar. 2026
Adjective
-
Maxwell told Blanche during the two-day interview there was no client list, no blackmail scheme and, to her knowledge, no high-profile Epstein associates who committed illicit acts in connection with his crimes.—
Ivan Pereira,
ABC News,
2 Apr. 2026
-
Jordan dissolved its local chapter this year following arrests authorities said were linked to illicit weapons activity.—
Efrat Lachter,
FOXNews.com,
1 Apr. 2026
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 unlawful increases also affect the basic plan, which saw a 2-euro increase in October 2024.—
Scharon Harding,
ArsTechnica,
3 Apr. 2026
-
The teacher, Charissa Newport, faces a charge of unlawful restraint of a child younger than 17, according to the Keller Police Department.—
Doug Myers,
CBS News,
3 Apr. 2026
Adjective
-
The decision to hire independent, outside counsel comes after two district employees were arrested last month, both accused of inappropriate relationships with students.—
Mike Darnay,
CBS News,
2 Apr. 2026
-
Separately, Ryals allegedly admitted to inappropriate contact with the victim while alone at the Howe Fire Station, court documents said.—
Bonny Chu,
FOXNews.com,
2 Apr. 2026
Adjective
-
Even in the absence of any proven crime committed by Tisch, even in the naivest retelling or understanding of Tisch’s correspondences with Epstein, his unacceptable relationship with this man deserves censure.—
Pat Leonard,
New York Daily News,
1 Apr. 2026
-
Artemis has been trudging along at a once-every-three-years flight rate, which Isaacman deems unacceptable.—
Arkansas Online,
Arkansas Online,
31 Mar. 2026
Adjective
-
Outside the courthouse in Manhattan, small groups of supporters have denounced the trial as illegitimate.—
Antonio María Delgado,
Miami Herald,
30 Mar. 2026
-
Beatdapp, a firm specializing in streaming fraud detection, estimates fraudulent music streams generate approximately $2 billion in diverted, illegitimate royalties every year.—
Kyle Eustice,
VIBE.com,
30 Mar. 2026
Cite this Entry
“Unauthorized.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unauthorized. Accessed 6 Apr. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
