pseudonym

noun

pseu·​do·​nym ˈsü-də-ˌnim How to pronounce pseudonym (audio)
Synonyms of pseudonym
: 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
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.
The Warrior Cats books, which are written by a team under the pseudonym Erin Hunter, have sold more than 90 million copies and been translated into 38 languages. Max Goldbart, Deadline, 18 June 2026 Robert Kuzovkov, known by the pseudonym Semyon Skrepetsky, was shot and killed at close range Monday near his home in the eastern Polish city of Biala Podlaska, a city near the border with Belarus. ABC News, 18 June 2026 The series was conceptualized by Victoria Holmes, one of many writers penning the novels under the pseudonym Erin Hunter for HarperCollins. Ethan Shanfeld, Variety, 18 June 2026 Robert Kuzovkov, a 44-year-old known by the pseudonym Semyon Skrepetsky, was killed on Monday morning near his home in the eastern Polish city of Biala Podlaska, near the border with Belarus. Vanessa Gera, Los Angeles Times, 18 June 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 21 Jun. 2026.

Kids Definition

pseudonym

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

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