Dictionary.com
Thesaurus.com

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

LONDON—On the eve of becoming the world’s first trillionaire, Elon Musk was fixated on political turmoil an ocean away from SpaceX headquarters.

From The Wall Street Journal Sep. 16, 2026

Minton Beddoes said both data and her own experience of living in the UK told a different story to the image portrayed by the trillionaire in his X posts.

From BBC Jul. 23, 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

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember new words for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com