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

Long assumed to be a favorite of the late patriarch Cheng Yu-Tung, Adrian had until recently been seen as the heir apparent of the business group led by his billionaire dad. —Jason Del Rey, Fortune Asia, 26 Sep. 2024

Ultimately, the former superstar turned highly successful entrepreneur decided the time wasn’t right for such an investment and the Bucks were ultimately sold to a group headlined by New York investment billionaires Wes Edens, Marc Lasry and Jamie Dinan for $550 million in April 2014. —Andrew Wagner, Forbes, 26 Sep. 2024

Steve Cohen, the billionaire hedge fund manager and owner of the New York Mets, has predicted that the efficiency gains achieved by artificial intelligence will soon make a four-day workweek the norm. —Max Kim, Los Angeles Times, 26 Sep. 2024

OpenAI began life as a nonprofit foundation, supported by donations from the likes of Elon Musk and billionaire LinkedIn cofounder and venture capitalist Reid Hoffman. —Chloe Berger, Fortune, 26 Sep. 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