multimillionaire

noun

mul·​ti·​mil·​lion·​aire ˌməl-tē-ˌmi(l)-yə-ˈner 

-ˌtī-, 

-ˈmi(l)-yə-ˌner

variants or less commonly multi-millionaire

plural multimillionaires also multi-millionaires

: a person whose wealth amounts to many millions (as of dollars or pounds)

… she has exhibited a sharp business brain, and is now a multimillionaire.

—Jessamy Calkin

the company's multimillionaire owner/founder

a multimillionaire sports/rock/movie star

Examples of multimillionaire in a Sentence

Recent Examples on the Web

The multimillionaire shared a video of the yacht on Instagram earlier this week. — Rachel Cormack, Robb Report, 16 June 2026

One prominent advocate is Canadian multimillionaire and Shark Tank star Kevin O'Leary, who is an investor in a giant data center in Utah called Stratos. — Geoff Brumfiel, NPR, 10 June 2026

No One Knows About, the multimillionaire basketball players discuss some of their most expensive vehicles with rapper and TV show host Action Bronson. — Charles Singh, USA Today, 4 June 2026

More than 1,000 current and former SpaceX employees have also joined forces to negotiate better pricing and access to sophisticated tax-saving financial products ahead of the IPO, which is poised to turn many of them into multimillionaires, Bloomberg has reported. — Bloomberg, Mercury News, 3 June 2026

Word History

First Known Use

1858, in the meaning defined above

Rhymes for multimillionaire

• extraordinaire
• abwehr
• affair
• affaire
• airfare
• altair
• armchair
• aware
• beware
• bugbear
• carfare
• childcare

Kids Definition

multimillionaire

noun

mul·​ti·​mil·​lion·​aire

ˌməl-ti-ˌmil-yə-ˈna(ə)r, 

-ˌtī-, 

-ˈne(ə)r, 

-ˈmil-yə-ˌna(ə)r, 

-ˌne(ə)r

: a person whose wealth is estimated at several millions (as of dollars)