Pronunciation change

  • (UK) IPA (key): /ˈs(j)uː.dəʊ.nɪm/ or /ˈsu.də.nɪm/
  • (US) IPA (key): /ˈsudoʊnɪm/
  • (file)
  • (file)

Noun change

Singular
pseudonym

Plural
pseudonyms

  1. A pseudonym is a fake name.
    Samuel Clemens' pseudonym was Mark Twain.