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Definition of pseudonym

pseudonym

/ˈsuː.də.nɪm/
pseu · do · nym
Adverb:pseudonymously
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Plural:pseudonyms
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Adjective:pseudonymous
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pseudonym Lexical Profile

pseudonym Game Scores & Validity

• noun

1

A fictitious name assumed by a person, especially an author or artist, to conceal their legal identity.

Example

"Samuel Clemens published his most celebrated novels under the pseudonym Mark Twain."

Synonyms
View all synonyms for pseudonym
Antonyms
View all antonyms for pseudonym

Word Nuance & Usage

While 'pseudonym' and 'alias' both refer to assumed names, 'pseudonym' typically denotes a respectable professional or artistic name (such as an author's pen name), whereas 'alias' often implies deception or criminal concealment.

• Nearby Words

pseudo
pseudo viper
pseudomuscari
pseudonym
pseudonymously
pseudoscience
pseudoscientific

Word Origin & Etymology

Borrowed in the mid-19th century from French pseudonyme, from Ancient Greek pseudōnymos ('having a false name'), formed from pseudēs ('false') and onyma ('name').

Cite this Entry

Wordmom. (2026). Definition of Pseudonym. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/pseudonym
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