pseudonym

noun

pseu·​do·​nym ˈsü-də-ˌnim How to pronounce pseudonym (audio)
Synonyms of pseudonymnext
: a fictitious name
especially : pen name

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Pseudonym has its origins in the Greek adjective pseudōnymos, which means “bearing a false name.” French speakers adopted the Greek word as the noun pseudonyme, and English speakers later modified the French word into pseudonym. Many celebrated authors have used pseudonyms. Samuel Clemens wrote under the pseudonym “Mark Twain,” Charles Lutwidge Dodgson assumed the pseudonym “Lewis Carroll,” and Mary Ann Evans used “George Eliot” as her pseudonym.

Synonyms of pseudonym

Examples of pseudonym in a Sentence

Mark Twain is the pseudonym of the American writer Samuel L. Clemens. the most notorious serial killer of the 19th century remains known only by the pseudonym of Jack the Ripper
Recent Examples on the Web
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Ellis took on several pseudonyms over the years, including Three-Six, the Spirit, Big Dotti, and Terror Child. Nina Corcoran, Pitchfork, 10 Mar. 2026 White nationalists at Charlottesville marched hoisting Roman flags, and far-right internet personalities adopted Roman pseudonyms. Chang Che, New Yorker, 8 Mar. 2026 His name and the names of other people quoted in this article are pseudonyms chosen to protect their privacy. Helena Addison, The Conversation, 3 Mar. 2026 The Milwaukee native also teaches courses at the Wisconsin Conservatory of Music, in addition to producing beats under the artist pseudonym 99TheProducer. Anya Sesay, jsonline.com, 3 Mar. 2026 See All Example Sentences for pseudonym

Word History

Etymology

French pseudonyme, from Greek pseudōnymos bearing a false name, from pseud- + onyma name — more at name

First Known Use

1817, in the meaning defined above

Time Traveler
The first known use of pseudonym was in 1817

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Cite this Entry

“Pseudonym.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pseudonym. Accessed 12 Mar. 2026.

Kids Definition

pseudonym

noun
pseud·​onym
ˈsüd-ᵊn-ˌim
: a fictitious name
especially : pen name

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