billionaire

[bil-yuh-nair, bil-yuh-nair]

noun

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

billionaire

/ ˌbɪljəˈnɛə /

noun

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

Word History and Origins

Origin of billionaire¹

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

Example Sentences

That was Ray Dalio — the billionaire founder of the world’s largest hedge fund, Bridgewater Associates — discussing how much gold it makes sense for investors to have in their portfolios.

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The recreation center will be rebuilt through a public-private partnership that Bass and her onetime political adversary, billionaire real estate developer Rick Caruso, promoted in a joint appearance in the spring.

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But the Republican billionaire president has broader aspirations -- to revive the Abraham Accords reached during his first White House term, under which the United Arab Emirates, Bahrain and Morocco offered Israel diplomatic recognition.

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The effect was summed up this past week by Ken Griffin, the billionaire head of Citadel, who expressed concern that gold was being viewed as a safer asset than the dollar.

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Jimmy John Liautaud, the billionaire proprietor of the sandwich chain Jimmy John’s and a serial yacht owner, is also a serial workaholic.

Read more on The Wall Street Journal