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

Founded in 1959 by the late billionaire philanthropist and spiritual leader Aga Khan, it aimed to give a voice to the majority African population, the company says in its profile.

From BBC

"I don't see why this is so complicated," the billionaire said at one point.

From BBC

Do you find any comparisons between how to deal with a billionaire and how to deal with an artist?

From The Wall Street Journal

Since entering politics in 2011, Czech Prime Minister Andrej Babis has been grappling with a conflict of interest as a billionaire businessman and politician, and his latest stint in power is no exception.

From Barron's

The effort is funded by Silicon Valley billionaires.

From Los Angeles Times