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.
Among Aztecs alums, there are many millionaires and even a number of billionaires. Tom Krasovic, San Diego Union-Tribune, 22 Mar. 2026 Even outside of traditional television, the reality TV model has made millionaires of even more toxic matriarchs such as Ruby Framke, who amassed over 2 million YouTube subscribers by pimping out her children for clicks while criminally abusing them in secret. Tiana Lowe Doescher, The Washington Examiner, 20 Mar. 2026 In fact, some of the world’s millionaires and billionaires themselves appealed to world leaders at Davos this year to address the wealth gap. Eleanor Pringle, Fortune, 19 Mar. 2026 The secret tasks are pulled off with breathtaking audacity and the millionaire has never been more dangerous. Ethan Shanfeld, Variety, 18 Mar. 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 29 Mar. 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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster