The definition of a pseudonym is a fake name, often used for writers.
An example of a pseudonym is Dr. Seuss.
a fictitious name, esp. one assumed by an author
Origin of pseudonymFrench pseudonyme from Classical Greek pseud?nymos: see pseudonymous
A fictitious name, especially a pen name.
Origin of pseudonymFrench pseudonyme from Greek pseudōnumon neuter of pseudōnumos falsely named pseudēs false ; see pseudo- . onuma name ; see nō-men- in Indo-European roots.