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.
By the closing bell, more than 4,400 current and former employees—including machinists and cafeteria workers—had become millionaires. Natalie Hoberman, Forbes.com, 31 July 2026 And as the influx of billionaires and multi-millionaires to the region continues, the market for luxury homes priced at $30 million and up has exploded, according to a new report from the real estate research firm Analytics Miami. Catherine Odom, Miami Herald, 30 July 2026 See which other stars scored the million dollars Who wants to be a millionaire? Alex Apatoff, PEOPLE, 30 July 2026 Lines spill down the block after prayer, with laborers and millionaires alike waiting to pair it with two-riyal fava beans from the fawal, or cafeteria, beside the bakery. Manal Albarakati, semafor.com, 29 July 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 5 Aug. 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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