billionaire

American  

[bil-yuh-nair, bil-yuh-nair] / ˌbɪl yəˈnɛər, ˈbɪl yəˌnɛər /

noun

1. a person who has assets worth a billion or more dollars, euros, etc.

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billionaire British  

/ ˌbɪljəˈnɛə /

noun

1. a person whose assets are worth over a billion of the monetary units of his country

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Etymology

Origin of billionaire

First recorded in 1855–60, billion + -aire, on the model of millionaire

Example Sentences

That prospect has unsettled California billionaires, in part because it would apply to those who were residents as of Jan. 1.

From The Wall Street Journal

Irsay, a larger-than-life billionaire who inherited the Colts from his father Robert and oversaw the franchise for decades, was found dead in the swanky Beverly Hills Hotel last May.

From Barron's

The proposal is being advanced by the Service Employees International Union-United Healthcare Workers West, who anticipate it applying to 200 billionaires worth a collective $2 trillion.

From Barron's

What mistakes do millionaires and billionaires regret most?

From The Wall Street Journal

US billionaire and multi-club owner Kang is investing heavily in her clubs - Lyon, Washington and London City Lionesses - meaning salaries are only going to increase across the global women's football landscape.

From BBC