billionaire

noun

bil·​lion·​aire ˌbi(l)-yə-ˈner How to pronounce billionaire (audio)
ˈbi(l)-yə-ˌner
: one whose wealth is estimated at a billion or more dollars, pounds, or other monetary units

Examples of billionaire in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The restructuring has been driven in part by the need to find a new home for the remaining functions of the U.S. Agency for International Development, an agency that Trump administration officials and billionaire ally Elon Musk's Department of Government Efficiency have dismantled. Arkansas Online, 30 May 2025 The model and billionaire businesswoman, also 28, reposted the image to her Instagram Stories as well. Angel Saunders, People.com, 30 May 2025 The Trump taco salad tweet allowed his campaign to present their billionaire boss to Latinos as just any other Jose Schmo ready to chow down on Mexican food. Gustavo Arellano, Los Angeles Times, 30 May 2025 Skylight, for example, builds on Bluesky’s recent support for vertical video feeds to offer a spying-free TikTok alternative; billionaire investor Mark Cuban, one of Bluesky’s more prolific posters, has since funded a pre-seed round for the app. Rob Pegoraro, PC Magazine, 29 May 2025 See All Example Sentences for billionaire

Word History

Etymology

billion + -aire (as in millionaire)

First Known Use

1844, in the meaning defined above

Time Traveler
The first known use of billionaire was in 1844

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Cite this Entry

“Billionaire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/billionaire. Accessed 3 Jun. 2025.

Kids Definition

billionaire

noun
bil·​lion·​aire ˌbil-yə-ˈna(ə)r How to pronounce billionaire (audio)
-ˈne(ə)r;
ˈbil-yə-ˌna(ə)r,
-ˌne(ə)r
: one whose wealth is a billion dollars or more

More from Merriam-Webster on billionaire

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