zillionaire

[ zil-yuh-nair ]
/ ˌzɪl yəˈnɛər /

noun Informal.

a person of incalculably great wealth.

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Origin of zillionaire

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

Words nearby zillionaire

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020