The Collaborative International Dictionary
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.
Wiktionary
adv. Under a pseudonym.
Usage examples of "pseudonymously".
Most members of die Institute of Genetic Art preferred to exhibit dieir work pseudonymously in diose days-a hangover from the era when there were too many people still alive who associated genetic engineers widi the weapons errf-ployed in the plague wars and the chiasmatic transformers which caused the Crash.
Most members of the Institute of Genetic Art preferred to exhibit their work pseudonymously in those days—a hangover from the era when there were too many people still alive who associated genetic engineers with the weapons employed in the plague wars and the chiasmatic transformers which caused the Crash.
Has having written in this genre, even pseudonymously, ever caused you any difficulty?
Even today, some libraries still erroneously catalogue the books of Jack Vance as pseudonymously written by Kuttner, and there they sit on the shelves with the "Ks.