multibillionaire

noun

mul·​ti·​bil·​lion·​aire ˌməl-tē-ˌbi(l)-yə-ˈner 

-ˌtī-,

-ˈbi(l)-yə-ˌner

plural multibillionaires

: a person whose wealth is estimated at many billions (as of dollars or pounds)

an entrepreneur who became a multibillionaire

Examples of multibillionaire in a Sentence

Recent Examples on the Web

Here’s the exclusive story of how the father of American tennis superstar Emma Navarro and his elusive Wall Street partner became multibillionaires on the backs of people with poor credit. —Jemima McEvoy, Forbes.com, 2 Apr. 2025

The abrupt firings by Trump and his top advisor, multibillionaire tech CEO Elon Musk, have roiled the government and outraged critics who say workers in nuclear security, forest fire prevention and bird flu response have been culled without warning. —Cybele Mayes-Osterman, USA TODAY, 27 Feb. 2025

Many of Musk's fellow residents of Austin, Texas, vociferously expressed their disapproval of the multibillionaire at a protest Wednesday in front of the state Capitol and in a march through downtown Austin. —John Bacon, USA TODAY, 5 Feb. 2025

Leading up to Election Day, the former president tapped multibillionaire Elon Musk for appearances across Pennsylvania and at Madison Square Garden in New York City. —Jenn Brice, Fortune, 6 Nov. 2024

Word History

First Known Use

1894, in the meaning defined above

Rhymes for multibillionaire

• extraordinaire
• multimillionaire
• abwehr
• affair
• affaire
• airfare
• altair
• armchair
• aware
• beware
• bugbear
• carfare