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

For every member of that famous list of multibillionaires, there are more than four thousand private business owners who each have at least $10 million in net worth. — Greg Rosalsky, NPR, 14 Sep. 2026

At the time, Altman was president of the startup accelerator Y Combinator, famous for helping launch companies like Airbnb and DoorDash, while Musk was already a multibillionaire and was running Tesla along with SpaceX simultaneously. — Marco Quiroz-Gutierrez, Fortune, 13 July 2026

But Blue Origin has drawn parallels, with its multibillionaire founder (Jeff Bezos) and its own grandiose ideas. — Jackie Wattles, CNN Money, 12 June 2026

Greth, a multibillionaire, is the daughter of the late oil and gas mogul Autry Stephens. — Emily Brindley, Dallas Morning News, 1 Apr. 2026

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