Word.ws English Dictionary

Plural of billionaire

regular plural

The plural of billionaire is billionaires.

Forms of billionaire

Singularbillionaire /ˌbɪl.i.əˈnɛə(ɹ)/
Pluralbillionaires
Countablecountable

Billionaires in a sentence

  • Clever financial ploys are what have made billionaires of the industry’s veterans.2013 June 22, “Engineers of a different kind”, in The Economist, volume 407, number 8841, archived from the original on 19 Apr 2020, page 70
  • In the United States alone, where 816 billionaires reside, the net worth of this group soared by $1.4 trillion.2025 January 19, Tami Luhby, “Get ready for the world’s first trillionaires”, in CNN, archived from the original on 28 Feb 2025
  • These billionaires' world is one of yachts, McLarens, and Lamborghinis — supercars out of reach of the 99%.From the entry supercar
  • The Twitter billionaires are arguing over who won their little space race. — Oh god, the girls are fighting.From the entry the girls are fighting
  • Bankman-Fried had long flaunted his E.A. bona fides to distinguish himself from other crypto billionaires.2022 December 9, Jennifer Szalai, “Effective Altruism Warned of Risks. Did It Also Incentivize Them?”, in The New York Times, archived…. From the entry ea

Meaning of billionaire

  1. noun Somebody whose wealth is at least one billion (10⁹) currency units (usually understood to exclude holders of hyperinflated currencies).

Full definition of billionaire

Questions about the plural of billionaire

What is the plural of billionaire?
The plural of billionaire is billionaires.
Is billionaire countable?
Billionaire is a countable noun.

Source and license

Adapted from Wiktionary: billionaire (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of billionaire.” Word.ws, https://word.ws/plural/billionaire. Based on Wiktionary, CC BY-SA 4.0.