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

The process provides a way for unregistered voters who lack proof of their current address to register and vote after signing an oath of eligibility. — Mark Vancleave, Los Angeles Times, 29 Oct. 2026

Mitchell claimed the program aided Democrats by requiring states to encourage unregistered residents to sign up to vote. — Doug Bock Clark, ProPublica, 28 Oct. 2026

Zhang has not been charged with any crimes other than acting as an unregistered agent of the Chinese government, and neither she nor Fei have been connected to the Prince Group or cartel money laundering in any federal law enforcement filings. — Isabel Vincent, CBS News, 16 Oct. 2026

The briefing lists a $1,000 registration fee for the cycle running July 1, 2026, through June 30, 2027, and warns that unregistered covered producers risk fines of up to $10,000 per day. — Alexandra Harrell, Footwear News, 15 Oct. 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