Synonyms for Pseudonym:
* Alias: This is perhaps the most common synonym for pseudonym, meaning a false or assumed name.
* Nom de plume: This French phrase literally means "pen name" and is often used for authors.
* Pen name: This is another term specifically used for authors who write under a different name.
* Fictitious name: This emphasizes the fact that the name is not real.
* Assumed name: This emphasizes the act of taking on a different name.
* Fake name: This is a more informal synonym that implies the name is intended to deceive.
* Stage name: This is used specifically for performers who use a different name on stage.
Antonyms for Pseudonym:
* Real name: This is the opposite of a pseudonym, referring to someone's true identity.
* Legal name: This emphasizes that the name is officially recognized.
* Given name: This refers to the name given to a person at birth.
* True identity: This emphasizes the importance of knowing someone's true self.
It's important to note that the best synonym or antonym for "pseudonym" depends on the context in which it is used.