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 Johnson ignored Starmer's question about reports that 58,000 pounds of this bill was paid by Lord Brownlow, a millionaire businessman and Conservative member of Parliament’s upper house, who has donated almost 3 million pounds to the party. NBC News, "Boris Johnson's apartment renovation proves costly as opponents seize on sleaze scandal," 29 Apr. 2021 On the other hand, most of our millionaire clients are frugal super savers. David John Marotta, Forbes, "Should I Pay Off My Mortgage?," 28 Apr. 2021 Following on last month's massive infrastructure proposal, phase two promises to raise taxes on millionaire investors to fund education and child care. Virginia Heffernan Los Angeles Times, Star Tribune, "The metaphors and truths of the Reagan and Mondale eras," 23 Apr. 2021 In the former, a millionaire ex-banker from the right edged a left-leaning rival; in the latter, an unheralded Marxist emerged as a surprise front-runner at the head of the pack. Washington Post, "Two Andean elections reflect an age of global discontent," 13 Apr. 2021 The millionaire tax increase could have lasting economic repercussions for New York, which regularly ranks among the places with the highest wealth inequality in the nation. Stephen Gandel, CBS News, "NYC's ultra-rich face 52% combined top income tax rate, highest in U.S.," 7 Apr. 2021 Another executive order moved oversight of charitable casino-style fundraisers, called millionaire parties, to the MGCB from Michigan Lottery in 2012. Carol Cain, Detroit Free Press, "Michigan's online sports betting launch was a big win. I talked to the man behind it," 3 Apr. 2021 Two brothers, one an alcoholic who resents his devoted wife, visit their dying millionaire father in the South. Los Angeles Times, "Movies on TV this week: ‘An American in Paris’; ‘Ben-Hur’," 26 Mar. 2021 But that very scenario is a constant source of anxiety for the millionaire employees of NBA teams. Ben Cohen, WSJ, "The Most Traded Man in the NBA," 25 Mar. 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

12 May 2021

Cite this Entry

“Millionaire.” Dictionary, Merriam-Webster, Accessed 14 May. 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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