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multimillionaire

American  
[muhl-tee-mil-yuh-nair, muhl-tahy-] / ˌmʌl tiˌmɪl yəˈnɛər, ˌmʌl taɪ- /

noun

  1. a person who possesses a fortune that amounts to many millions of dollars, euros, etc.


multimillionaire British  
/ ˌmʌltɪˌmɪljəˈnɛə /

noun

  1. a person with a fortune of several million pounds, dollars, etc

"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

Etymology

Origin of multimillionaire

An Americanism dating back to 1855–60; multi- + millionaire

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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.

Finally, an affordable way into a major L.A. sporting event for those of us who are not Casey Wasserman, the multimillionaire chairman of the Los Angeles Organizing Committee for the 2028 Olympic and Paralympic Games.

From Los Angeles Times • Apr. 7, 2026

Though he was vastly outspent by his two rich Democratic opponents, multimillionaire Al Checchi and then-Rep.

From Los Angeles Times • Mar. 25, 2026

Wealth managers are betting that high-touch lifestyle management will keep the multimillionaire set from jumping ship.

From The Wall Street Journal • Mar. 17, 2026

The 26-year-old, whose father Adam is a multimillionaire who made his fortune as a pensions trader, started racing karts at the age of eight, and was on pole position for his first national event.

From BBC • Dec. 7, 2025

When Roosevelt brought an antitrust lawsuit against J. P. Morgan, a multimillionaire banker, Morgan was stunned.

From "Death on the River of Doubt" by Samantha Seiple