Word Pronunciation & Dictionary

Questions

What does undecillionth mean?
The ordinal form of the number undecillion
Where does undecillionth come from?
From undecillion + -th (ordinal suffix).

How to pronounce undecillionth

  1. Open the pronunciation page — Open the Speakur entry for “undecillionth”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “undecillionth”.
  4. Repeat and practice — Say “undecillionth” aloud, matching stress and vowels until it feels natural.