: bearing or using a fictitious name
a pseudonymous report
also : being a pseudonym
pseudonymously adverb
pseudonymousness noun

Examples of pseudonymous in a Sentence

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 this election season, the familiar threats, online and often pseudonymous, have been accompanied by new ones from federal authorities. — Barton Gellman, New Yorker, 25 Oct. 2026 To date, the pseudonymous NightmareEclypse has published nine such exploits, including Tuesday’s HiveLegacy. — Dan Goodin, ArsTechnica, 15 July 2026 Crisscrossing the United States on an epic World Cup road trip, the pseudonymous soccer fan posted about the beauty of big-box chain stores and gas stations, projecting an infectious enthusiasm for American mass culture. — Will Oremus, The Atlantic, 1 July 2026 Better known by her pseudonymous social media handle Jerry Gogosian, Helphenstein left behind a complicated legacy, puncturing art world pieties with both satirical and serious memes and occasionally making inflammatory statements. — Harrison Jacobs, ARTnews.com, 3 June 2026 See All Example Sentences for pseudonymous

Word History

Etymology

Greek pseudōnymos

First Known Use

circa 1706, in the meaning defined above

Time Traveler
The first known use of pseudonymous was circa 1706

Browse Nearby Words

Cite this Entry

“Pseudonymous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pseudonymous. Accessed 1 Nov. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster