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.
How will the billionaire singer and millionaire football star divide their assets? Grey Battle, Washington Post, 2 July 2026 Nearly 1 million people became millionaires in 2025, largely thanks to a thriving stock market, according to a new report by UBS. Hayley Cuccinello, CNBC, 2 July 2026 That puts her in the club of four other millionaire authors on the bench – Justices Sonia Sotomayor, Ketanji Brown Jackson, Neil Gorsuch and Clarence Thomas. Maureen Groppe, USA Today, 30 June 2026 The young millionaires continued successfully appealing to tweens and teens, many of whom grew up watching the Olsens, and managed to turn their company into a billion-dollar empire, all while attending college at New York University. Britt Hayes, Entertainment Weekly, 30 June 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 Jul. 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)

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