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

In the complaint, the former SpaceX engineers say the troubling posts weren’t just private rantings from its billionaire CEO. —Salvador Hernandez, Los Angeles Times, 13 June 2024

And taking someone’s last hundred dollars as a fine is more serious than extracting that fine from a billionaire. —Kwame Anthony Appiah, New York Times, 12 June 2024

Neighbors for Results only lists three donors, with the largest check of $500,000 coming from billionaire philanthropist and former New York City Mayor Michael Bloomberg. —Grace Hase, The Mercury News, 12 June 2024

The billionaire withdrew his complaint a day before a California judge was set to hear OpenAI’s request for dismissal. —Rachel Graf / Bloomberg, TIME, 11 June 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