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

All of these complex language models need to be powered, and At the Helm millionaires were well aware of the energy drain. —Emma Burleigh, Fortune, 9 Nov. 2025

In the bar cookie category, millionaire shortbread gets its name for tasting like a million bucks. —Lizzy Briskin, Better Homes & Gardens, 9 Nov. 2025

Uncensored, that Fergie met the man, Steve Wyatt, a millionaire entrepreneur from Texas, at the Houston Grand Opera’s British Opera Festival in 1989 and started an extramarital relationship with him soon after. —Jason Pham, StyleCaster, 9 Nov. 2025

On estate planning, half of millionaires surveyed don’t use an estate lawyer, although their use is highly dependent on wealth levels. —Robert Frank, CNBC, 8 Nov. 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)