pseudonym

noun

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

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Pseudonym, has its origins in the Greek word pseudōnymos, which means "bearing a false name." Greek speakers formed their word by combining pseud-, meaning "false," and onyma, meaning "name." French speakers adopted the Greek word as 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.

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In an effort to minimize any attention on himself, Styles opted out of signing up with his own name and instead ran the Sunday race under the pseudonym Sted Sarandos (a play on the name of Netflix CEO Ted Sarandos) while wearing a headband and sunglasses. Shania Russell, Entertainment Weekly, 22 Sep. 2025 Styles was seen running alongside some 55,000 athletes taking part in the race, reportedly using the pseudonym Sted Sarandos, reports the Associated Press. Jodi Guglielmi, Rolling Stone, 21 Sep. 2025 Blockchain and bitcoin were created in 2009 by a person or group using the pseudonym Satoshi Nakamoto. Kinsey Crowley, USA Today, 19 Sep. 2025 The freshman, identified in the court papers under the pseudonym Son King, said he was repeatedly assaulted on a multistate football camp bus trip from June 12 to June 20 that traveled to Alabama, Florida and Tennessee. Corky Siemaszko, NBC news, 17 Sep. 2025 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 25 Sep. 2025.

Kids Definition

pseudonym

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

More from Merriam-Webster on pseudonym

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