millionaire

noun

mil·​lion·​aire ˌmi(l)-yə-ˈner How to pronounce millionaire (audio)
ˈmi(l)-yə-ˌner
: a person whose wealth is estimated at a million or more (as of dollars or pounds)

Examples of millionaire in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Someone is going to be a millionaire by the end of the evening. Kaycee Sloan, The Enquirer, 9 July 2025 Anyone still laboring under the illusion that this is a populist administration needs to understand that ‘for the people’ means ‘only some of the people,’ usually the millionaires and billionaires. Tom Zirpoli, Baltimore Sun, 8 July 2025 Yet others question whether anything like a Mamdani mayoralty would really provoke millionaires and billionaires to decamp. Michael Hiltzik, Los Angeles Times, 2 July 2025 But then some Gilded Age millionaires decided to buy a beach house (or two) because income tax hadn’t been invented yet. Elise Taylor, Vogue, 2 July 2025 See All Example Sentences for millionaire

Word History

Etymology

French millionnaire, from million, from Middle French milion

First Known Use

1786, in the meaning defined above

Time Traveler
The first known use of millionaire was in 1786

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Cite this Entry

“Millionaire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millionaire. Accessed 18 Jul. 2025.

Kids Definition

millionaire

noun
mil·​lion·​aire ˌmil-yə-ˈna(ə)r How to pronounce millionaire (audio)
-ˈne(ə)r,
ˈmil-yə-ˌna(ə)r,
-ˌne(ə)r
: one whose wealth is estimated at a million or more (as of dollars)

More from Merriam-Webster on millionaire

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