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

Fidelity's analysis of its own book for the first quarter of 2026 found 645,000 401(k) millionaires, down 3% over three months though a quarter higher than a year before. — Dara-Abasi Ita, Forbes.com, 22 Aug. 2026

On Monday June 29, a bomb exploded on the doorstep of Yermolaiev’s luxury apartment in Monaco, gravely injuring the Ukrainian millionaire and shocking residents of the wealthy city state. — Ivana Kottasová, CNN Money, 20 Aug. 2026

English football clubs have experienced eras under the control of local businessmen turned millionaires. — Simon Hughes, New York Times, 20 Aug. 2026

Complex stakeholder management, maintaining a united front among players ranging from vets who had spent years earning five-figure salaries to 22-year-old NIL millionaires. — Emma Hinchliffe, Fortune, 20 Aug. 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)