mil·​lion·​aire | \ ˌmi(l)-yə-ˈner How to pronounce millionaire (audio) , ˈmi(l)-yə-ˌner \

Definition of millionaire

: 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 Walker is known for becoming America's first female (not Black female, just first female) millionaire after developing a successful line of Black hair care products. Rasha Ali, USA TODAY, "12 movies to watch for Women's History Month, from 'Ma Rainey's Black Bottom' to 'Homecoming'," 24 Mar. 2021 But Bennett, who became a millionaire as a tech entrepreneur, is now running a technocratic campaign focused on ending the pandemic and restoring the economy. Washington Post, "As Israelis head back to elections, there’s a new twist: Democrats in Washington," 16 Mar. 2021 But the pictures of Mrs. Onassis made Hustler infamous overnight, and made Mr. Flynt a millionaire. New York Times, "Larry Flynt, Who Built a Porn Empire With Hustler, Dies at 78," 10 Feb. 2021 Foster, a popular millionaire businessman who got major changes in education policy and lawsuit rules through the Legislature, was 90. The Associated Press,, "Busy hurricane season, racial injustice, coronavirus: Louisiana's top stories of 2020," 28 Dec. 2020 Still, that person will become a millionaire, Kentucky Lottery announced. Ayana Archie, The Courier-Journal, "$1M lottery ticket sold at Louisville Circle K store," 9 Mar. 2021 Kelly was going to retire from her job and become a millionaire by investing in apartments. Terry Painter, Forbes, "Forming A Real Estate Syndication: Why Not Start At The Top?," 2 Mar. 2021 Work on the 32,000-square-foot property, which the millionaire calls the Château Diter, started in 2005 at the site of what was a 2,000-square-foot property, according to the Daily Mail. Isabel Garcia, House Beautiful, "This Millionaire Developer Was Ordered to Demolish His $66 Million Chateau in France," 10 Feb. 2021 A year ago, there were about 15,000 millionaire bitcoin accounts. Stephen Gandel, CBS News, "There may now be as many as 100,000 bitcoin millionaires," 23 Feb. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'millionaire.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of millionaire

1786, in the meaning defined above

History and Etymology for millionaire

French millionnaire, from million, from Middle French milion

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Time Traveler for millionaire

Time Traveler

The first known use of millionaire was in 1786

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Statistics for millionaire

Last Updated

6 Apr 2021

Cite this Entry

“Millionaire.” Dictionary, Merriam-Webster, Accessed 11 Apr. 2021.

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More Definitions for millionaire



English Language Learners Definition of millionaire

: a rich person who has at least a million dollars, pounds, etc.


mil·​lion·​aire | \ ˌmil-yə-ˈner How to pronounce millionaire (audio) \

Kids Definition of millionaire

: a person having a million dollars or more

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