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

Dwyer and Pool’s clients include eight families each with net worth of more than $1 billion and tech founders who are millionaires and have private stock worth another hundreds of millions. — Miami Herald, 10 July 2026

There is little mystery about how Chicago would vote on a millionaire tax, as such a proposal has long enjoyed support here. — The Editorial Board, Chicago Tribune, 10 July 2026

Like any self-respecting socialist, Sanders is a millionaire. — Chris Roemer, Baltimore Sun, 9 July 2026

The millionaire’s tax fad got another follower last month, but there might be a backlash on the horizon. — Editorial Board, Washington Post, 7 July 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)