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

About 90% of the investor base of the company, including Larry Ellison, the Oracle billionaire and father of Skydance CEO David Ellison, as well as RedBird Capital, Middle East sovereign wealth funds and other backers, did not receive the warrants. — Dade Hayes, Deadline, 14 Oct. 2026

According to The Hollywood Reporter, the company will partner with billionaire Charles Koch’s investment firm, Koch Equity Development, which has invested in Getty since 2018, after a restructuring that Peters says will not involve layoffs. — News Desk, Artforum, 14 Oct. 2026

Miami hedge fund billionaire and philanthropist Ken Griffin pushed for expansion of the law and gave the charter school network $50 million for its Miami expansion. — Austin Horn, Miami Herald, 14 Oct. 2026

Back then, Pritzker was able to spend tens of millions to give Bailey a boost because the billionaire Democrat viewed him as an easier opponent. — Chris Tye, CBS News, 14 Oct. 2026

Word History

Etymology

billion + -aire (as in millionaire)

First Known Use

1841, in the meaning defined above

Rhymes for billionaire

• aftercare
• anywhere
• chinaware
• debonair
• dinnerware
• disrepair
• doctrinaire
• earthenware
• everywhere
• frigidaire
• kitchenware
• legionnaire

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