- A fictitious name, especially one used by an author: I wrote under the pseudonym of Evelyn HerveyMore example sentences
- He has also published several thrillers under the pseudonym Dan Kavanagh.
- Aragon's writings circulated anonymously or under pseudonyms.
- All of the names in this paper are pseudonyms, and I have left student texts unedited for spelling or grammar except where indicated by square brackets.
mid 19th century: from French pseudonyme, from Greek pseudōnymos, from pseudēs 'false' + onoma 'name'.