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

In fact, there’s one happening Friday night with a guest list that includes a 73-year-old millionaire from out of town and, presumably, his 24-year-old girlfriend. —Austin Meek, New York Times, 17 Oct. 2025

Offstage, the millionaire rapper indulges in equally enviable passions. —Abby Montanez, Robb Report, 17 Oct. 2025

How a millionaire pedophile inside New York’s Riverside Church built the model for a $40 billion youth sports industry and destroyed children’s lives. —Luke Cyphers, Sportico.com, 17 Oct. 2025

The city’s dwindling middle and working classes blamed tech millionaires and billionaires for pricing them out of a once-vibrant city and promoting regressive policies on homelessness and criminal justice. —Literary Hub, 15 Oct. 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)