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

Vohra says the business’ early inventors made 20 times on their investment, and the founders hit millionaire status upon the sale. — Emma Burleigh, Fortune, 4 Oct. 2026

The latest in a long series of corrective measures was a thirteen-per-cent state income tax on millionaires, which went into effect in 2012 and is due to expire in 2030. — Nicholas Lemann, New Yorker, 4 Oct. 2026

Becerra said that plan contained loopholes that would amount to major tax breaks for millionaires and billionaires. — Ben Paviour, Sacbee.com, 2 Oct. 2026

In the opening minutes of the premiere, tech mogul Morgan (Dominic West), either a hundred-millionaire or a billionaire depending on who’s asking and why, has a one-night stand with a beautiful stranger (Rose William’s Flora). — Angie Han, HollywoodReporter, 30 Sep. 2026

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)