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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.
Well, if Ruby could become millionaire. Lexy Perez, HollywoodReporter, 29 Nov. 2025 Oklahoma Indian Territory who defied poverty and prejudice to become one of America’s first Black female millionaires at just 11 years old. Stephanie Giang-Paunon, FOXNews.com, 29 Nov. 2025 What was amazing was not that a quixotic millionaire like Creation boss Alan McGee could be persuaded to invest staggering resources in an ambitious young band’s dream. Jazz Monroe, Pitchfork, 28 Nov. 2025 That's the like inflection point, not the person becomes a millionaire or a billionaire. Charlotte Phillipp, PEOPLE, 26 Nov. 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

Browse Nearby Words

Cite this Entry

“Millionaire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millionaire. Accessed 1 Dec. 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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