Word.ws English Dictionary

zillionth

/ˈzɪljənθ/

zillionth adjective: the ordinal form of the number zillion.

Adjective

zillionth (not comparable)

  1. (informal) The ordinal form of the number zillion.

Noun

zillionth (plural zillionths)

  1. (informal) The person or thing in the zillionth position.
  2. (informal) One of a zillion equal parts of a whole.

Forms of zillionth

pluralzillionths

Origin of zillionth

From zillion + -th (ordinal suffix).

Words that rhyme with zillionth

Questions about zillionth

What does zillionth mean?
Zillionth means the ordinal form of the number zillion.
What part of speech is zillionth?
Zillionth can be an adjective or a noun.
How do you pronounce zillionth?
Zillionth is pronounced /ˈzɪljənθ/.

Words near zillionth in the dictionary

  1. zillion
  2. zillionaire
  3. zillionaires
  4. zillionfold
  5. zillions
  6. zillionth
  7. zillionths
  8. Zillmann
  9. Zillmer
  10. Zillmers
  11. zills

Source and license

Adapted from Wiktionary: zillionth (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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