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 The everyday millionaire and the elder sibling are not competing in the same market. — Nick Lichtenberg, Fortune, 30 June 2026 Dwyer and Pool’s clients include eight families each with net worth of more than $1 billion and tech founders who are millionaires and have private stock worth another hundreds of millions. — Miami Herald, 30 June 2026 Austin’s millionaire population more than doubled over the past decade, fueled by an influx of tech companies and highly compensated workers. — Abby Montanez, Robb Report, 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

Phrases Containing millionaire

Rhymes for millionaire

See All Rhymes for millionaire

Browse Nearby Words

million
millionaire
millionairedom
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Cite this Entry

“Millionaire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/millionaire. Accessed 7 Jul. 2026.

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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

Thesaurus: All synonyms and antonyms for millionaire

Nglish: Translation of millionaire for Spanish Speakers

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