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.
The city’s millionaire population has doubled since 2014 to more than 81,000, according to Henley & Partners. Robert Frank, CNBC, 27 Mar. 2026 But some research has found that millionaires actually are less likely to move than people lower down the income ladder. Aimee Picchi, CBS News, 26 Mar. 2026 Instead of finding further savings opportunities or implementing cuts, the administration had focused on lobbying the state to implement options like raising income taxes for millionaires and hiking corporate tax rates. Josephine Stratman, New York Daily News, 25 Mar. 2026 Gamage argued the warnings of mass exodus following Massachusetts’ 2022 millionaires’ tax and Washington’s 2021 capital gains tax hadn’t been borne out. Ben Paviour, Sacbee.com, 25 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 3 Apr. 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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