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

By Forbes’ count, at least 14 billionaires earned early paychecks at such chains – often spending long hours frying foods, scrubbing bathrooms and emptying trash for minimum wages. —Martina Castellanos, Forbes.com, 6 Sep. 2025

During a weekend trip with a billionaire’s son, they are targeted by a gang of kidnappers. —Andreas Wiseman, Deadline, 6 Sep. 2025

Harrison stabs Prater with the needle and knocks the billionaire out. —Louis Peitzman, Vulture, 5 Sep. 2025

The 84-year-old billionaire, a legendary cable and media mogul, also provided key support for Ted Turner’s launch of CNN in 1980. —Todd Spangler, Variety, 5 Sep. 2025

Word History

Etymology

billion + -aire (as in millionaire)

First Known Use

1844, 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