plural pseudonyms
: a name that someone (such as a writer) uses instead of his or her real name
Mark Twain is the pseudonym of the American writer Samuel L. Clemens.
She preferred to write under a pseudonym. [=using a false name instead of her real name]
Cite this Entry
“Pseudonym.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/pseudonym. Accessed 22 Jun. 2026.
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