billionaire

noun

bil·​lion·​aire ˌbi(l)-yə-ˈner 

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

Through all of this, corporations have made record profits and America's 806 billionaires are richer than half the population combined. —Pramila Jayapal, Newsweek, 19 Dec. 2024

Amazon founder Jeff Bezos is the latest billionaire to take a trip to Mar-a-Lago to dine with president-elect Donald Trump. —Vivian Kwarm, New York Daily News, 19 Dec. 2024

Earlier this year, for example, the ancient Egyptian pyramids and the Great Sphinx in Giza were closed to the public for a week to accommodate a tech billionaire’s wedding. —Francesca Aton, ARTnews.com, 18 Dec. 2024

Bezos is far from the only billionaire who’s moved in search of more tax-friendly skies. —Phoebe Liu, Forbes, 18 Dec. 2024

Word History

Etymology

billion + -aire (as in millionaire)

First Known Use

1844, in the meaning defined above

Kids Definition

billionaire

noun

bil·​lion·​aire ˌbil-yə-ˈna(ə)r 

-ˈne(ə)r;

ˈbil-yə-ˌna(ə)r,

-ˌne(ə)r

: one whose wealth is a billion dollars or more