- a person whose wealth amounts to a million or more in some unit of currency, as dollars.
- any very rich person.
Origin of millionaire
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for millionnaire
Mr. John Lambert was a millionnaire, a politician, and a widower.Malbone
Thomas Wentworth Higginson
Even if my father were a millionnaire, I couldn't go on living on him.Wilfrid Cumbermede
It's not that the money would inconvenience him, for he's a millionnaire.Fruitfulness
It was easy to see she thought more of the caballero than the millionnaire.Roland Cashel
Charles James Lever
But at twenty-five years of age one is seldom a millionnaire.The Sharper Detected and Exposed
- a person whose assets are worth at least a million of the standard monetary units of his country
Word Origin and History for millionnaire
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