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or millionnaire

[mil-yuh-nair] /ˌmɪl yəˈnɛər/
a person whose wealth amounts to a million or more in some unit of currency, as dollars.
any very rich person.
Origin of millionaire
1820-30; < French millionnaire, equivalent to million million + -aire -ary
Related forms
millionairedom, noun
nonmillionaire, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for millionaire
Contemporary Examples
Historical Examples
  • Are you a millionaire,' his face said, 'to pay eighty francs for one day's drive?

    The Roof of France Matilda Betham-Edwards
  • Maybe a person might get to be a millionaire just starting with a frankfurter, you never can tell.

    Pee-wee Harris Percy Keese Fitzhugh
  • Mason was a millionaire and a lumber king, but every one called him Ed.

    One Day's Courtship Robert Barr
  • "And we must first catch our millionaire," said the Colonel.

  • But Lady Louisa never truly returned the millionaire's affection.

    Henry Dunbar M. E. Braddon
British Dictionary definitions for millionaire


a person whose assets are worth at least a million of the standard monetary units of his country
Derived Forms
millionairess, millionnairess, noun:feminine
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
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Word Origin and History for millionaire

1821, from French millionnaire (1762); see million. The first in America is said to have been John Jacob Astor (1763-1848).

Online Etymology Dictionary, © 2010 Douglas Harper
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