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

An Ohio senator's claim that millionaires primarily benefited from the EV tax credit is largely inaccurate, as income and price caps limited its use for high-end vehicles. —Jamie L. Lareau, USA Today, 12 Dec. 2025

He was raised with frugal habits and by practicing wise money decisions, became a millionaire in his 30s. —Jonathan Sanchez, CNBC, 11 Dec. 2025

In another case in France in May, police rescued the father of a cryptocurrency millionaire in a Paris suburb who was being held for ransom. —CBS News, 10 Dec. 2025

While many wealthy New Yorkers indeed left the city, the five boroughs nonetheless gained about 10,000 millionaires between 2020 and 2021, according to state data. —Sasha Rogelberg, Fortune, 4 Dec. 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)