undecillion

How many syllables in undecillion?

  4 syllables

Divide undecillion into syllables:   un-de-cil-lion
How to pronounce undecillion:   un-di-sil-yun
How to say undecillion:

Cite This Source

Bibliography Citations
MLA   |    APA   |   Chicago Manual Style
"undecillion." HowManySyllables.com. How Many Syllables, n.d. Web. 22 May 2026.

Learn a New Word

Rhyme Quiz
Think you can
rhyme?
What rhymes with undecillion

4 syllables
5 syllables
Teachers
You can win $250 for your students.

Prize awarded to a teacher each month.
Fun Fact
The opposite of déjà vu is
jamais-vu.
FAQ
Why do we say
"an" hour?
Do You Know
when to use
Were, Where, and We're?

Parents, Teachers, StudentsDo you have a grammar question?
Need help finding a syllable count?
Want to say thank you?