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

And after the Japanese government forced the home-sharing site to cancel reservations of unregistered hosts by June 15, Airbnb deactivated 80 percent of its Japanese listings overnight. Jessi Hempel, WIRED, "Airbnb's Newest Weapon Against Regulation: The Real Estate Industry," 3 July 2018 Ten percent goes into household garbage, 40 percent ends up with scavengers and unregistered recyclers, 10 percent is shipped abroad as functioning secondhand equipment, and 5 percent is exported illegally. Peter Ford, The Christian Science Monitor, "'E-waste': Getting grip on a growing global problem," 9 July 2018 On July 4, Kameron Smith was allegedly driving under the influence and fleeing authorities while driving an unregistered, uninsured Mini Cooper, FOX43 reported. Madeline Farber, Fox News, "Car crashes into Pennsylvania home at 80 mph in shocking video," 7 July 2018 Others were fined between $50 and $200 for using an unregistered scale or one with an expired registration. Andrea Zelinski, San Antonio Express-News, "Texas Ag commissioner, BBQ pitmasters battle over a weighty issue," 3 July 2018 Numbers worn by unregistered participants are subject to disqualification. Matt Sabath, ajc, "What You Need to Know Before Running the AJC Peachtree Road Race," 28 June 2018 In jurisdictions where ICOs are considered securities, promoters — also known as bounty hunters — may even risk running afoul of authorities by acting as unregistered broker-dealers. Justina Lee, latimes.com, "Cryptocurrency influencers hype up coin offerings, sometimes making $105,000 a tweet," 26 June 2018 The bulk of the indictment involves Manafort's past unregistered lobbying work for Ukraine, which included trying to shift American attention away from the imprisonment of one of Yanukovych's former rivals. Cynthia Sewell, idahostatesman, "Manafort lobbyists met with Idaho's Jim Risch, leading to claim of illegal donations," 14 June 2018 And then in April, the agency charged the two founders behind an ICO that raised over $32 million, for allegedly selling fraudulent and unregistered investments. Louise Matsakis, WIRED, "Rest Easy, Cryptocurrency Fans: Ether and Bitcoin Aren't Securities," 14 June 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

20 Oct 2018

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Time Traveler for unregistered

The first known use of unregistered was in 1603

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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

What made you want to look up unregistered? Please tell us where you read or heard it (including the quote, if possible).


to clear from alleged fault or guilt

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