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trillionaire

British  
/ ˌtrɪljəˈnɛə /

noun

  1. a person whose assets are worth over a trillion of the monetary units of his or her country

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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A month ago, Musk was crowned the world’s first trillionaire as a result of SpaceX’s record IPO.

From The Wall Street Journal Jul. 23, 2026

After an initial investor frenzy that saw the company be valued more than Amazon and Microsoft, and Musk become the world's first trillionaire, the price of its shares have drifted downward.

From BBC Jul. 15, 2026

The amount raised will likely not come close to the record $75 billion raised in SpaceX's IPO last month, which made founder Elon Musk the world's first trillionaire.

From Barron's Jul. 9, 2026

Zohran Mamdani may loathe billionaires, but he is taking inspiration from the world’s only trillionaire.

From The Wall Street Journal Jul. 8, 2026

An equivalent number of American pennies would be enough to make every person on Earth a dollar trillionaire.

From "A Short History of Nearly Everything" by Bill Bryson

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