'Pseudonymous' definitions:

Definition of 'pseudonymous'

From: WordNet
adjective
Bearing or identified by an assumed (often pen) name; "the writings of Mark Twain are pseudonymous"

Definition of 'Pseudonymous'

From: GCIDE
  • Pseudonymous \Pseu*don"y*mous\, a. [Gr. ?; pseydh`s false + ?, ?, a name: cf. F. pseudonyme. See Pseudo-, and Name.] Bearing a false or fictitious name; as, a pseudonymous work. -- {Pseu*don"y*mous*ly}, adv. -- {Pseu*don"y*mous*ness}, n. [1913 Webster]