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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.

By most statistical measures, I’m an unlikely 23-year-old multimillionaire.

From The Wall Street Journal • Mar. 18, 2026

Who would argue with a multimillionaire parent and/or tell them what’s really on your mind if you knew that you were in line to inherit a small fortune?

From MarketWatch • Oct. 29, 2025

While that might be true as to what they uncovered, if multimillionaire athletes are corrupt, is it a stretch to think that college athletes who actually need money would do the same?

From Los Angeles Times • Oct. 25, 2025

"I wasn't a multimillionaire at fourteen. I lived in poverty while writing the book that made Emma famous," she added.

From BBC • Sep. 29, 2025

In his immaculate and expensive black suit with gold signet ring and brightly polished black shoes, he looked like a scaled-down model of a multimillionaire businessman.

From "Stormbreaker" by Anthony Horowitz