Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
pseudonymous is an adjective meaning "bearing or identified by an assumed (often pen) name". It carries one recorded sense.
bearing or identified by an assumed (often pen) name
“the writings of Mark Twain are pseudonymous”
Definitions, synonyms and semantic relations for pseudonymous come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.