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.
For millionaires — or anyone else — looking to hide their valuables, private high-security vaults have become a thing. Daniel Wine, CNN Money, 17 Sep. 2025 Redford stars as the mysterious millionaire, Jay Gatsby, in the film, which is directed by Jack Clayton and also stars Mia Farrow as Daisy Buchanan and Sam Waterston as Nick Carraway. Tim Lammers, Forbes.com, 16 Sep. 2025 Acosta defended the deal with Epstein in a news conference four days after the multi-millionaire's arrest. James Hill, ABC News, 15 Sep. 2025 Mamdani campaigned on tax increases including a new tax on millionaires and an increase in the state’s corporate tax rate. Nick Lichtenberg, Fortune, 12 Sep. 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 22 Sep. 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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