millionaire

American  

[mil-yuh-nair] / ˌmɪl yəˈnɛər /

Or millionnaire

noun

1. a person whose wealth amounts to a million or more in some unit of currency, as dollars.

2. any very rich person.

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millionaire British  

/ ˌmɪljəˈnɛə /

noun

1. a person whose assets are worth at least a million of the standard monetary units of his country

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Other Word Forms

• millionairedom noun
• millionairess noun
• nonmillionaire noun

Etymology

Origin of millionaire

1820–30; < French millionnaire, equivalent to million million + -aire -ary

Compare meaning

How does millionaire compare to similar and commonly confused words? Explore the most common comparisons:

• multimillionaire vs. millionaire

Example Sentences

Are there many of them on the market, and do you need the bank balance of a celebrity millionaire?

From BBC

Among America’s swelling ranks of moderate millionaires, few have more complex personal balance sheets than dentists.

From The Wall Street Journal

The first NIL millionaires in college athletics started trickling in shortly after the new rules went into effect five years ago, but now payments to the top athletes are exploding.

From MarketWatch

It’s to find what she calls “patriotic millionaires” who’d move back north.

From The Wall Street Journal

When labor-management disputes interrupt baseball, many fans undoubtedly feel like they are victims of a squabble between “millionaires and billionaires.”

From Los Angeles Times