or mil·lion·naire



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 formsmil·lion·aire·dom, nounnon·mil·lion·aire, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for millionaire

Contemporary Examples of millionaire

Historical Examples of millionaire

  • 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.

  • "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 Formsmillionairess 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

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