un·​reg·​is·​tered | \ ˌən-ˈre-jə-stərd \

Definition of unregistered

: 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

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Synonyms & Antonyms for unregistered


uncataloged, unlisted, unrecorded


cataloged (or catalogued), listed, recorded, registered

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Examples of unregistered in a Sentence

Recent Examples on the Web

Europe’s unregistered weapons outnumbered legal ones in 2017, 44.5 million to 34.2 million, according to the Small Arms Survey. Valentina Pop, WSJ, "Gun Use Surges in Europe, Where Firearms Are Rare," 7 Jan. 2019 The investigations, some of which have already concluded, are aimed at unregistered securities offerings and initial coin offerings that promise significant returns without informing investors of the risks. Tory Newmyer, Washington Post, "The Finance 202: Trump backers fear he's deserting them on China," 22 May 2018 The state agencies are targeting unregistered securities offerings that promise lucrative returns without adequately informing investors of the risks, as well as suspicious cases of initial coin offerings, or ICOs. Polina Marinova, Fortune, "Regulators Crack Down on Crypto Scams via 'Operation Crypto-Sweep'," 21 May 2018 Court records show that 69-year-old Bernandino Bolatete was convicted in Jacksonville federal court in May of possessing an unregistered firearm silencer. Fox News, "Man accused of planning Florida mosque shooting gets 5 years," 18 Sep. 2018 The 18-year-old appeared ready to repel all manner of foes when recently arrested for driving an unregistered vehicle. Chris Stirewalt, Fox News, "Primaries in four states test limits of Dem surge," 14 Aug. 2018 Butina has pleaded not guilty to the charges of conspiracy and acting as an unregistered foreign agent for Russia. Fox News, "Father of Russian held in US says jail conditions improved," 21 Sep. 2018 AP Maria Butina, the 29-year-old Russian national charged with conspiracy and acting as an unregistered Russian agent, interacted with former Trump campaign aide J.D. Gordon in the lead-up to the 2016 election, according to a new report. Emily Stewart, Vox, "Alleged Russian spy Maria Butina chatted with former Trump campaign aide ahead of the 2016 election," 4 Aug. 2018 Wochit A Scottsdale machine gun manufacturer was charged Thursday, along with two other men, in connection with a scheme to smuggle unregistered firearms into Mexico, according to the U.S. Attorney’s Office in Texas. Nathan J. Fish, azcentral, "Scottsdale machine gun maker charged in Mexico smuggling scheme," 12 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unregistered.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unregistered

1603, in the meaning defined above

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Last Updated

10 Feb 2019

Look-up Popularity

Time Traveler for unregistered

The first known use of unregistered was in 1603

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English Language Learners Definition of unregistered

: not entered on an official list or in a system of public records : not registered


un·​reg·​is·​tered | \ ˌən-ˈre-jə-stərd\

Legal Definition of unregistered

: not registered charged with operating an unregistered motor vehicle — see also unregistered security at security

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Comments on unregistered

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a servile follower or underling

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