[ muhl-tee-mil-yuh-nair, muhl-tahy- ]

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

Origin of multimillionaire

An Americanism dating back to 1855–60; multi- + millionaire Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use multimillionaire in a sentence

  • Only a genius can become a multi-millionaire in America, and hence the senators are in the main bright men.

  • Nature has arranged it so that the poorest man in the world can get the most priceless things as easily as the multi-millionaire.

    Dollars and Sense | Col. Wm. C. Hunter
  • John Stapleton, the multi-millionaire banker, was not in the habit of sending messengers to anyone, without good reason.

    The Blue Lights | Arnold Fredericks

British Dictionary definitions for multimillionaire


/ (ˌmʌltɪˌmɪljəˈnɛə) /

  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