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zillionaire

American  
[zil-yuh-nair] / ˌzɪl yəˈnɛər /

noun

Informal.
  1. a person of incalculably great wealth.


Etymology

Origin of zillionaire

First recorded in 1945–50; zillion + (million)aire

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Rylance put on a fright wig to play William Kunstler in “The Trial of the Chicago 7” and wore Mr. Ed-size choppers for his role as the eccentric zillionaire in “Don’t Look Up.”

From New York Times • Mar. 17, 2022

"Yesterday David Koch of the zillionaire Koch brothers died .. of prostate cancer," Maher said during his opening monologue Friday.

From Fox News • Aug. 26, 2019

“Yesterday, David Koch, of the zillionaire Koch brothers, died of prostate cancer. I guess I’m going to have to reevaluate my low opinion of prostate cancer,” Maher said.

From Slate • Aug. 24, 2019

The boy zillionaire saves his parents and Rich Industries from a scheming executive.

From Los Angeles Times • Aug. 9, 2019

Like many zillionaire comedians, Mr. Seinfeld has a problem: He hasn’t enough time to drive all his cars.

From The Wall Street Journal • Jan. 19, 2016