millionaire

noun

mil·​lion·​aire ˌmi(l)-yə-ˈner 

ˈmi(l)-yə-ˌner

: 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

Mamdani campaigned on tax increases including a new tax on millionaires and an increase in the state’s corporate tax rate. —Nick Lichtenberg, Fortune, 12 Sep. 2025

Others are bidding for logging contracts—all that rainforest timber can create instant millionaires. —M. Rajshekhar, Time, 11 Sep. 2025

That’s an understandable perspective, but where the morals of the interview get so twisted is how much weight Thug gives to being a millionaire and why that’s a big reason he should not just be respected but revered. —Alphonse Pierre, Pitchfork, 11 Sep. 2025

And a few even ended up as millionaires. —Susan Tompor, USA Today, 10 Sep. 2025

Word History

Etymology

French millionnaire, from million, from Middle French milion

First Known Use

1786, in the meaning defined above

Phrases Containing millionaire

• multi-millionaire

Rhymes for millionaire

• aftercare
• anywhere
• billionaire
• chinaware
• debonair
• dinnerware
• disrepair
• doctrinaire
• earthenware
• everywhere
• frigidaire
• kitchenware

Kids Definition

millionaire

noun

mil·​lion·​aire ˌmil-yə-ˈna(ə)r 

-ˈne(ə)r,

ˈmil-yə-ˌna(ə)r,

-ˌne(ə)r

: one whose wealth is estimated at a million or more (as of dollars)