Word.ws English Dictionary

katrillion

katrillion noun: an unspecified large number (of).

Noun

katrillion (plural katrillions)

  1. (excessive, slang) An unspecified large number (of).
    • Our own American culture also makes a lot of noise about hair. The katrillion-dollar industry thrives on selling hair products that were produced for five cents and sold for thirty dollars, part of which goes to the zillion-dollar advertising campaigns.2003, Fran Di Giacomo, I'd Rather Do Chemo Than Clean Out the Garage
    • I implore you to seek the advice of running or medical professionals before making any major decisions. I'm not just saying this to avoid a lawsuit; I am saying it because there are a katrillion different injuries one can sustain while repeatedly pounding her body against hard surfaces like asphalt...2019, Dawn Dais, The Nonrunner's Marathon Guide for Women

Forms of katrillion

pluralkatrillions

Origin of katrillion

From trillion.

Words formed from katrillion

Questions about katrillion

What does katrillion mean?
Katrillion means an unspecified large number (of).
What part of speech is katrillion?
Katrillion is a noun.
What is the plural of katrillion?
The plural of katrillion is katrillions.

Words near katrillion in the dictionary

  1. Katori
  2. Katos
  3. katothermal
  4. Katowice
  5. Katriese
  6. katrillion
  7. katrillionaire
  8. katrillionaires
  9. katrillions
  10. Katrina
  11. Katrine

Source and license

Adapted from Wiktionary: katrillion (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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Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-katrillion.ogg.

Cite this entry: “katrillion.” Word.ws, https://word.ws/katrillion. Based on Wiktionary, CC BY-SA 4.0.