un·​reg·​is·​tered | \ ˌən-ˈre-jə-stərd How to pronounce unregistered (audio) \

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

For unregistered securities offerings, founders and promoters may even face legal consequences and fines. Matthew De Silva, Quartz, "Crypto backers want special regulatory treatment—here’s why it probably won’t happen," 10 June 2019 In their view, the developer's stated plans to develop nearby amenities made the land sales unregistered sales of securities. Timothy B. Lee, Ars Technica, "New SEC lawsuit could decide the fate of dozens of blockchain projects," 6 June 2019 The Securities and Exchange Commission has filed a $100 million lawsuit against Canadian social media startup Kik Interactive for selling unregistered tokens in one of the most high-profile cryptocurrency crackdowns yet. Polina Marinova, Fortune, "Term Sheet -- Wednesday, June 5," 5 June 2019 That meant these fraudulent voters were unregistered, and candidates faced an electorate that was harder to bribe. Kelsey Piper, Vox, "Study: election reforms in Brazil might have saved children’s lives. Here’s how.," 3 Dec. 2018 Understandably, many unregistered voters are people who have just moved or move frequently, Green says. Sarah Jacoby, SELF, "How to Actually Get Your Friends to Vote," 31 Oct. 2018 He was charged with possession of an unregistered firearm, police said. Jonathan O'connell And Peter Hermann, Washington Post, "N.C. man charged with having unregistered gun at Trump hotel," 12 July 2018 The Rapid City Journal reports 21-year-old Mason Hamm of Rapid City recently pleaded guilty in federal court to hunting with an unregistered firearm and was sentenced to eight months in prison. Fox News, "South Dakota man sentenced on state, federal hunting charges," 12 June 2018 He's charged with terroristic threatening and other counts, some involving the use of an unregistered firearm. CBS News, "Hawaii warns residents in path of lava: Get out now or face arrest," 1 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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Statistics for unregistered

Last Updated

16 Jun 2019

Look-up Popularity

Time Traveler for unregistered

The first known use of unregistered was in 1603

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More Definitions for unregistered



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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behavior toward others

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