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

Money hurts most of us, but not billionaires. —Nick Canepa, San Diego Union-Tribune, 22 Feb. 2026

Can it really be defended that a middle-class worker making $60,000 a year pays a higher percentage of their income than a billionaire does? —Voice Of The People, New York Daily News, 22 Feb. 2026

Late last year, billionaire Joe Liemandt was asked on the BigDeal podcast if young people should pursue an MBA. —Preston Fore, Fortune, 22 Feb. 2026

The private orbital mission will bring billionaire Jared Isaacman to space for a second time after 2021′s Inspiration4 mission. —Richard Tribou, The Orlando Sentinel, 22 Feb. 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