millionaire

noun

mil·​lion·​aire ˌmi(l)-yə-ˈner How to pronounce millionaire (audio)
ˈmi(l)-yə-ˌner
Synonyms of millionairenext
: 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.
My identifying Nvidia at $2 a share and almost force-feeding it to Club members — many of them now Nvidia millionaires — gives me a clearer head than most about the chipmaker’s fundamentals. Jim Cramer, CNBC, 4 Jan. 2026 Each of these success stories created another group of millionaires, many of whom feel a duty to reinvest back into Sweden’s technology and startup sectors. Oscar Täckström, Fortune, 3 Jan. 2026 While some millionaires may have left to avoid the tax, a May analysis from the Institute for Policy Studies found that the number of millionaires in Massachusetts rose nearly 39% in the two years after the tax took effect. Aimee Picchi, CBS News, 2 Jan. 2026 Silicon Valley is minting new millionaires while millions of the state’s residents face the loss of healthcare coverage and struggle with inflation. Seema Mehta, Los Angeles Times, 2 Jan. 2026 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 6 Jan. 2026.

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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