unregistered

adjective

un·​reg·​is·​tered ˌən-ˈre-jə-stərd 

: 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

Synonyms of unregistered

• unlisted
• unrecorded
• undisclosed
• unidentified
• unspecified

Examples of unregistered in a Sentence

an unregistered car

Recent Examples on the Web

Hamed Alsaidi, 31, was charged with eight counts of possessing an unregistered destructive device. — Jermont Terry, CBS News, 19 Aug. 2026

Any Kansans who have a problem with unregistered roofing contractors can report them to the attorney general’s Civil Division, Licensing and Inspections Unit, or by calling 785-368-6644. — Rashad Alexander august 19, Kansas City Star, 19 Aug. 2026

Mastrocinque was charged with offensive behavior and possessing an unregistered, unauthorized pistol in a public place, the outlet stated. — Escher Walcott, PEOPLE, 4 Aug. 2026

Morrow was charged with discharging a firearm within 500 feet of a building, disturbing the peace, carrying a firearm without a license, and unregistered motor vehicle. — Colleen Cronin, Boston Herald, 20 July 2026

Word History

First Known Use

1603, in the meaning defined above

Rhymes for unregistered

• registered

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