pseudonymous
Americanadjective
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bearing a false or fictitious name.
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writing or written under a fictitious name.
adjective
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having or using a false or assumed name
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writing or having been written under a pseudonym
Usage
What does pseudonymous mean? Pseudonymous means having, using, or written under a pseudonym—a false or fictitious name, especially one used by an author. The word is often used to describe a person who uses a pseudonym, as in the pseudonymous artist, or something attributed to a false name, as in her pseudonymous novels. When an author uses a pseudonym, it can also be called a pen name or a nom de plume. There are many reasons an author may choose to publish pseudonymously instead of under their own name, such as to avoid controversy or to create a persona. Many women authors throughout history have used a male or gender-neutral pseudonym to get their work published due to bias against women writers. A famous example is Mary Ann Evans, who used the pseudonym George Eliot. The word pseudonym can refer to a fake or false name used by anyone, not just writers. It’s typically used so a person can remain anonymous. In legal proceedings, the pseudonymous titles John Doe, Jane Doe, Richard Roe, and Jane Roe are used in cases when a person’s name is being kept anonymous. Such names can also be called anonyms. Example: It’s sometimes hard to tell whether pseudonymous posts are published by bots or real people.
Other Word Forms
Etymology
Origin of pseudonymous
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
By piecing together scattered public clues, large language models can unmask pseudonymous social-media profiles with surprising accuracy.
From The Wall Street Journal ● Sep. 9, 2026
We looked at people discussing movies, for instance, and sometimes just a shared taste in obscure films was enough to link two pseudonymous accounts.
From The Wall Street Journal ● Sep. 8, 2026
Finally, the hosts delve into the New York Times’ quest to uncover the mysterious creator of Bitcoin, the pseudonymous Satoshi Nakamoto, and argue over the investigation’s conclusion.
From Slate ● Apr. 11, 2026
On its website, it says the project has been founded and developed by "a pseudonymous collective" based across "multiple jurisdictions".
From BBC ● Nov. 28, 2025
He stepped back as far as the narrow sidewalk would allow and fired up his comm and tunneled to a pseudonymous relay, bouncing the call off a dozen mixmasters.
From Eastern Standard Tribe by Cory Doctorow
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
