unregistered

adjective

un·​reg·​is·​tered ˌən-ˈre-jə-stərd How to pronounce unregistered (audio)
Synonyms of unregisterednext
: not registered: such as
a
: not having entered one's name on a voting list
unregistered voters
b
: unrecorded or not filed in the place provided by law
an unregistered motor vehicle
c
: not recorded with or certified by an appropriate breeders' association
unregistered cattle

Examples of unregistered in a Sentence

an unregistered car
Recent Examples on the Web
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.
Nittardi faces charges of operating a motor vehicle while under suspension, failure to carry minimum insurance, operating an unregistered motor vehicle, failure to maintain the proper lane, failure to carry vehicle registration or insurance information and misuse of a motor vehicle license plate. Justin Muszynski, Hartford Courant, 5 Feb. 2026 Deputies detained the man and found an unregistered, loaded firearm inside the backpack, the Sheriff’s Office said. Darrell Smith, Sacbee.com, 3 Feb. 2026 Emiliano Garduño Gálvez, 23, pleaded guilty in October to one count each of possessing an unregistered destructive device and obstructing law enforcement during a civil disorder. Alene Tchekmedyian, Los Angeles Times, 31 Jan. 2026 Police also responded to reports of ATVs in the 800 block of South Riverfront Boulevard, where three more ATVs were towed as unregistered vehicles and taken to the Dallas police auto pound, the news release said. Chase Rogers, Dallas Morning News, 26 Jan. 2026 See All Example Sentences for unregistered

Word History

First Known Use

1603, in the meaning defined above

Time Traveler
The first known use of unregistered was in 1603

Browse Nearby Words

Cite this Entry

“Unregistered.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unregistered. Accessed 10 Feb. 2026.

Legal Definition

unregistered

adjective
un·​reg·​is·​tered
ˌən-ˈre-jə-stərd
: not registered
charged with operating an unregistered motor vehicle
see also unregistered security at security
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster