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

However, new reports have alleged that the deal was thoroughly planned out, and the billionaires have taken most of the reins. —Stylecaster Editors, StyleCaster, 22 Nov. 2025

Then, there’s the fact that 98 percent of the island is owned by Silicon Valley billionaire Larry Ellison, who purchased the land in 2012. —Lydia Mansel, Travel + Leisure, 22 Nov. 2025

One example is singer and billionaire Taylor Swift who has an intense global fanbase due to her relatable songs. —Sawdah Bhaimiya, CNBC, 22 Nov. 2025

As billionaires, institutional firms and Middle Eastern nations pour billions into Europe’s top clubs, Perez believes Real Madrid may need to revise its structure to keep pace. —Eben Novy-Williams, Sportico.com, 21 Nov. 2025

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