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
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Steele visited Epstein at his Upper East Side town house in 2017, and assiduously cultivated the millionaire across a year of correspondence. Brendan Ruberry, semafor.com, 16 Feb. 2026 With its many millionaires and casinos, it has been called the Monaco of Asia as well as the Vegas of China. Annabelle Dufraigne, Architectural Digest, 15 Feb. 2026 Will a $2 Florida Lottery ticket make someone a millionaire on Valentine's Day? Jennifer Sangalang, Florida Times-Union, 15 Feb. 2026 Too often, decisions reflect the priorities of political insiders, billionaires, and millionaires instead of the people who rely on these resources every day. Eleanor Dearman, Fort Worth Star-Telegram, 14 Feb. 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 16 Feb. 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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