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

The link between inequality and the everywhere millionaire runs through politics. — John Lanchester, New Yorker, 14 Sep. 2026

Perhaps not surprising, some of these millionaires have stakes in investment firms or medical, dental, or legal practices. — Eric Zwick, The Atlantic, 14 Sep. 2026

The book covers 25 cases from Law & Order and its spinoffs’ most popular episodes, from how a woman’s repressed memory led to solving a 30-year-old cold case to the high-profile investigation of millionaire Robert Durst. — Allison Degrushe, StyleCaster, 14 Sep. 2026

Many of these millionaires have also grown rich enough to afford superyachts, 10,000-square-foot homes, and pet tigers. — Greg Rosalsky, NPR, 14 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)