Word.ws English Dictionary

quintillionaire

quintillionaire noun: somebody whose wealth is at least one quintillion (10¹⁸) currency units.

Noun

quintillionaire (plural quintillionaires)

  1. Somebody whose wealth is at least one quintillion (10¹⁸) currency units.
    • He favors letting the gentleman establish the trusts because he's quite sure that by 2961, $89 quadrillion dollars probably won't buy one box of good cigars. By then, he adds, everyone will be a quintillionaire, struggling to make ends meet.1961, General Practitioner - Volume 24, page 80
    • The constellation Norma had Normaesque constellations . . . the world's richest man was the first quintillionaire, formerly a decillionaire, after losing a lot of his money, and his Moira Sheareresque name was Hanksy Ronald Stump, and he pissed on the skeleton of Donald Trump.2012, Willis Bryant, Cold Blood, →ISBN, page 48

Examples of quintillionaire in a sentence

  • If Heth could have motivated assembly line workers to move that fast, he'd be a quintillionaire.2015, Edward Stasheff, Marcus Johnston, Predatory Practices, →ISBN:
  • There are no more trillionaires, quadrillionaires, or quintillionaires in Zimbabwe.2020, Mark Fenton-O'Creevy, International management: An institutional perspective, The Open University:

Forms of quintillionaire

pluralquintillionaires

Origin of quintillionaire

From quintillion + -aire.

Questions about quintillionaire

What does quintillionaire mean?
Quintillionaire means somebody whose wealth is at least one quintillion (10¹⁸) currency units.
How do you use quintillionaire in a sentence?
If Heth could have motivated assembly line workers to move that fast, he'd be a quintillionaire.
What part of speech is quintillionaire?
Quintillionaire is a noun.
What is the plural of quintillionaire?
The plural of quintillionaire is quintillionaires.

Words near quintillionaire in the dictionary

  1. quintilised
  2. quintille
  3. quintilliard
  4. quintilliards
  5. quintillion
  6. quintillionaire
  7. quintillionaires
  8. quintillionfold
  9. quintillions
  10. quintillionth
  11. quintillionths

Source and license

Adapted from Wiktionary: quintillionaire (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: LL-Q1860_(eng)-Rho9998-quintillionaire.wav.

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