pseudonymous

American  

[soo-don-uh-muhs] / suˈdɒn ə məs /

adjective

1. bearing a false or fictitious name.

2. writing or written under a fictitious name.

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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

• pseudonymously adverb
• pseudonymousness noun

Etymology

Origin of pseudonymous

1700–10; < Greek pseudṓnymos; pseudonym, -ous

Example Sentences

He had read the original bitcoin white paper, published in 2008 by the pseudonymous Satoshi Nakamoto, and while working for Airbnb in 2011 had struggled to send money to South America.

From The Wall Street Journal • Jan. 30, 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

Some appear to have been relentlessly touted by unofficial and pseudonymous investor groups, according to documents and chat logs reviewed by Barron’s.

From Barron's • Nov. 18, 2025

The next pseudonymous presenter, who called himself the Lancaster Examiner, took a hyper-local focus on how NAR power gets built from the ground up.

From Salon • Oct. 20, 2024

Anonymous and pseudonymous, and corporate works are not named in the act, and the term is presumably fifty years, unless in the former cases identity is disclosed.

From Copyright: Its History and Its Law by Bowker, Richard Rogers