millionaire

or mil·lion·naire

[ mil-yuh-nair ]

noun
  1. a person whose wealth amounts to a million or more in some unit of currency, as dollars.

  2. any very rich person.

Origin of millionaire

1
1820–30; <French millionnaire, equivalent to millionmillion + -aire-ary

Other words from millionaire

  • mil·lion·aire·dom, noun
  • non·mil·lion·aire, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use millionaire in a sentence

  • Cut to an aerial shot of Clarenden Court, the von Bulow mansion on Millionnaires' Row that might dwarf many small colleges.

  • Yet how many times in your life have you personally known of them—families who are millionnaires to-day, and beggars to-morrow?

    Interrupted | Pansy
  • He was a valued officer, a good executive, and one of the first millionnaires in North America.

    The Spanish Pioneers | Charles F. Lummis
  • If the stock be really good, the founders of the enterprise become millionnaires.

  • Let the multi-millionnaires give away their money to found theological colleges and libraries—my party will have none of it.

    Visionaries | James Huneker
  • And the widow made a little mental prayer that her son's acres might be protected from the millionnaires and other Philistines.

    Framley Parsonage | Anthony Trollope

British Dictionary definitions for millionaire

millionaire

millionnaire

/ (ˌmɪljəˈnɛə) /


noun
  1. a person whose assets are worth at least a million of the standard monetary units of his country

Derived forms of millionaire

  • millionairess or millionnairess, fem n

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